What is the nae of the band, who started in London, and name begins with Y
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q215380 . ?sbj wdt:P740 wd:Q84 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'y')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
musical group: Q215380 london: Q84