Question: What are the mineral supergroup which start with the letter t
Paraphrase: What is the supergroup of minerals that starts with letter t
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q3977918 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 't')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: tourmalines, tourmalines, titanium disilicate-block supergroup, titanium disilicate-block supergroup