[out:xml][timeout:3600]; ( way(533793565)['wikipedia'='de:Konradin']; ); (._;>;); out meta qt;//['should use a secondary wikipedia tag - linking from wikipedia tag to a human']
[out:xml][timeout:3600]; ( way(1130591186)['wikidata'='Q59287481']['wikipedia'='de:Liste der Geotope in Landshut']; way(177904029)['wikidata'='Q121818345']['wikipedia'='de:St. Nikola (Landshut)']; way(240886491)['wikidata'='Q14530743']['wikipedia'='de:St. Nikola (Landshut)']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch']
[out:xml][timeout:3600]; ( relation(1785647)['operator:wikidata'='Q452140']['operator:wikipedia'='de:Deutsche Bahn']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch - for operator 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.