Question: What rotary cannon did General Electric design that starts with the letter "m"?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1966482 . ?sbj wdt:P287 wd:Q54173 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'm')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25