Question: Name the electrical connector part that starts with letter U and appeared in SB Implementers Forum.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q58184783 . ?sbj wdt:P123 wd:Q3847420 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'u')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25