[out:xml][timeout:3600]; ( node(46844806)['wikidata'='Q32250830']['wikipedia'='de:Regenstauf']; node(46851336)['wikidata'='Q32190913']['wikipedia'='de:Nittendorf']; relation(2841)['wikidata'='Q238493']['wikipedia'='de:5-Flüsse-Radweg']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch']
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.