diff --git a/.gitattributes b/.gitattributes
index e91384803b47d5a84409354d15dfe82aa6236d3e..d8a7c3bd3c9c2e8700c941d4349df2d18491b48f 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -289,3 +289,4 @@ data/AB/1917/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1918/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1919/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1920/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1921/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/70cf9d7f4e9f4d20b7f2effe59a8a0f0_python.cwl b/.renku/workflow/70cf9d7f4e9f4d20b7f2effe59a8a0f0_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..6c4b6b12f3d7ecf6e326b88bcfa703b1c3726df9
--- /dev/null
+++ b/.renku/workflow/70cf9d7f4e9f4d20b7f2effe59a8a0f0_python.cwl
@@ -0,0 +1,91 @@
+arguments: []
+baseCommand:
+- python
+class: CommandLineTool
+cwlVersion: v1.0
+hints: []
+inputs:
+  input_1:
+    default:
+      class: File
+      path: ../../src/python/run_extract_discussions.py
+    inputBinding:
+      position: 1
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_2:
+    default:
+      class: File
+      path: ../../data/politicians/lastnames/1921_MPs.pickle
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default:
+      class: File
+      path: ../../data/AB/1921/04_correctedxml.tar.gz
+    inputBinding:
+      position: 3
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_4:
+    default:
+      class: File
+      path: ../../data/AB/1921/03_correctedmeta.tar.gz
+    inputBinding:
+      position: 4
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_5:
+    default:
+      class: File
+      path: ../../data/lists/not_names.txt
+    inputBinding:
+      position: 5
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_6:
+    default:
+      class: File
+      path: ../../data/lists/dict_overlaps.pickle
+    inputBinding:
+      position: 6
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_7:
+    default: data/AB/1921/05_annotatedxml.tar.gz
+    inputBinding:
+      position: 7
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: string
+outputs:
+  output_0:
+    outputBinding:
+      glob: $(inputs.input_7)
+    streamable: false
+    type: File
+permanentFailCodes: []
+requirements:
+- class: InlineJavascriptRequirement
+- class: InitialWorkDirRequirement
+  listing:
+  - entry: '$({"listing": [], "class": "Directory"})'
+    entryname: data/AB/1921
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1921/05_annotatedxml.tar.gz b/data/AB/1921/05_annotatedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..83d5b294c1bfb932c0914bb4735e6764347aa81e
--- /dev/null
+++ b/data/AB/1921/05_annotatedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3a727a6b574c05f5012704fa89c5a880bb1f3db671d3e66a993dec36c679cce
+size 8534160