diff --git a/.gitattributes b/.gitattributes
index cf850f125185d13ce0d93da54e6aaa2924f84344..14a4069a09f517997c246eaac554f237ea9b94a0 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -272,3 +272,4 @@ data/AB/1991/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1901/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1902/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1903/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1904/05_annotatedxml.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/f149928f975a42f29a9de37302eb7f9a_python.cwl b/.renku/workflow/f149928f975a42f29a9de37302eb7f9a_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..940c1760d53518dc7bf41491be73d6104e5014ef
--- /dev/null
+++ b/.renku/workflow/f149928f975a42f29a9de37302eb7f9a_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/1904_MPs.pickle
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default:
+      class: File
+      path: ../../data/AB/1904/04_correctedxml.tar.gz
+    inputBinding:
+      position: 3
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_4:
+    default:
+      class: File
+      path: ../../data/AB/1904/03_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/1904/05_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/1904
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1904/05_annotatedxml.tar.gz b/data/AB/1904/05_annotatedxml.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..7b9c54f3bb527314891b1da653a45fe0a809e395
--- /dev/null
+++ b/data/AB/1904/05_annotatedxml.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aeb15eb07d1640ad59495133bcd1e2df22fd96343e4ef6687fded0e39d53ca94
+size 3069167