Question: What are the type of magnets that start with the letter n?
Paraphrase: What are the sort of magnets that begin with the letter n?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q50002046 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'm')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: multipole magnet, multipole magnet