What game is played by backgammon players and contains the word backgammon?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q131436 . ?sbj wdt:P3095 wd:Q23929009 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'backgammon')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
board game: Q131436 backgammon player: Q23929009