Which is the association of the chairperson Thomas Bach that contains the word committee in it's name?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q48204 . ?sbj wdt:P488 wd:Q72245 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'committee')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
voluntary organization: Q48204 thomas bach: Q72245