[out:xml][timeout:3600]; ( node(2092258993)['wikidata'='Q2354531']; ); (._;>;); out meta qt;//['should use a secondary wikipedia tag - linking from wikipedia and wikidata tag to a public transport network']
[out:xml][timeout:3600]; ( way(102658969)['wikidata'='Q1425545']['wikipedia'='de:Johannes a Lasco']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch']
[out:xml][timeout:3600]; ( way(1243681837)['artist:wikipedia'='https://de.wikipedia.org/wiki/Georg_Schmidt-Westerstede']; ); (._;>;); out meta qt;//['malformed secondary wikipedia tag - for artist prefixed tags']
JOSM Wikipedia plugin
Note to self: online version hosted at https://matkoniecz.github.io/OSM-wikipedia-tag-validator-reports, files are stored at https://github.com/matkoniecz/OSM-wikipedia-tag-validator-reports.