diff --git a/.gitattributes b/.gitattributes
index 3268e7396f8dbbc0d862268251409089733c40c4..aae68029870f2678fcc3fde2e9ed7cb66ecc112f 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -234,3 +234,4 @@ data/AB/1987/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1988/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1989/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
 data/AB/1990/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
+data/AB/1991/03_correctedmeta.tar.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.renku/workflow/990224d2c64e43afab063dff87bcb8a6_python.cwl b/.renku/workflow/990224d2c64e43afab063dff87bcb8a6_python.cwl
new file mode 100644
index 0000000000000000000000000000000000000000..5b5a5794c996116019e52aba591c8e283614d51b
--- /dev/null
+++ b/.renku/workflow/990224d2c64e43afab063dff87bcb8a6_python.cwl
@@ -0,0 +1,51 @@
+arguments: []
+baseCommand:
+- python
+class: CommandLineTool
+cwlVersion: v1.0
+hints: []
+inputs:
+  input_1:
+    default:
+      class: File
+      path: ../../src/python/run_correct_meta.py
+    inputBinding:
+      position: 1
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_2:
+    default:
+      class: File
+      path: ../../data/AB/1991/01_rawmeta.tar.gz
+    inputBinding:
+      position: 2
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: File
+  input_3:
+    default: data/AB/1991/03_correctedmeta.tar.gz
+    inputBinding:
+      position: 3
+      separate: true
+      shellQuote: true
+    streamable: false
+    type: string
+outputs:
+  output_0:
+    outputBinding:
+      glob: $(inputs.input_3)
+    streamable: false
+    type: File
+permanentFailCodes: []
+requirements:
+- class: InlineJavascriptRequirement
+- class: InitialWorkDirRequirement
+  listing:
+  - entry: '$({"listing": [], "class": "Directory"})'
+    entryname: data/AB/1991
+    writable: true
+successCodes: []
+temporaryFailCodes: []
diff --git a/data/AB/1991/03_correctedmeta.tar.gz b/data/AB/1991/03_correctedmeta.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..e597b9410adedb6ce21483d456f518b70537619d
--- /dev/null
+++ b/data/AB/1991/03_correctedmeta.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e2e0b99902c499d736983c8f928d8f4f1e1b4a3d9f901ec2b9e00e7328ede39
+size 2160640