What is the data controller (GDPR) of the product of Uber rideshare service that starts with the letter u?
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q59859818 . ?sbj wdt:P1056 wd:Q61058590 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'u')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
data controller: Q59859818 uber rideshare service: Q61058590