Question: What people are indigenous to the USA and start with the letter A?
Paraphrase: What individuals are indigenous to the USA and begin with the letter A?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q951873 . ?sbj wdt:P2341 wd:Q30 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'a')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: American English, American English