Which is the instant messaging client of the Tizen operating system that starts with the letter w?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q2462003 . ?sbj wdt:P306 wd:Q609306 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'w')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
instant messaging client: Q2462003 tizen: Q609306