What are the programming language implementation that contains the word yarv in their name
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q4117406 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'yarv')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
implementation of a programming language: Q4117406