OSM tag short_name=CCCHH matches Chaos Computer Club Hansestadt Hamburg in these Wikidata fields:
OSM tag short_name=CCCHH matches CCCHH in these Wikidata fields:
OSM tag name=CCC Hansestadt Hamburg e.V. matches CCC Hansestadt Hamburg e.V. in these Wikidata fields:
OSM tag operator=CCC Hansestadt Hamburg e.V. matches CCC Hansestadt Hamburg e.V. in these Wikidata fields: