Plan: month 2
Corresponds to T2 in https://meta.wikimedia.org/wiki/Grants:IEG/StrepHit:_Wikidata_Statements_Validation_via_References/Renewal#Primary_Sources_Tool
Plan: month 2
Corresponds to T2 in https://meta.wikimedia.org/wiki/Grants:IEG/StrepHit:_Wikidata_Statements_Validation_via_References/Renewal#Primary_Sources_Tool