What what is aircraft family  armament by general-purpose bom which starts with letter 1
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q15056993 . ?sbj wdt:P520 wd:Q8141984 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), '1')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
aircraft family: Q15056993 general-purpose bomb: Q8141984