Question: When was Juventus F.C. a chairman of Atillo Ubertalli?
Paraphrase: Give me the year that Atillo Ubertalli's chairman was Juventus F.C.
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1422 p:P488 ?s . ?s ps:P488 wd:Q2870115 . ?s pq:P580 ?value}