Question: What are the halide anion which start with the letter i
Paraphrase: What are the halide anion which begin with the letter i
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q30972056 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'i')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: iodide ion, iodide ion