Question: What what is excipient has executive producer ken keller and which starts with letters with f
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q581714 . ?sbj wdt:P1431 wd:Q1339527 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'f')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25