Question: Tell me fan convention whose name has the word vidcon in it.
Paraphrase: Let me know fan tradition whose title has the word vidcon in it.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1129398 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'vidcon')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: VidCon, VidCon