Question: Italaian billionaire and owner of the third  biggest chocolate producter and confectioner company is the widow of who?
Sentence (from "Ferrero SpA"): The Ferrero Group worldwide – now headed by CEO Giovanni Ferrero – includes 38 trading companies, 18 factories, approximately 21,500 employees and produces around 365,000 tonnes of Nutella each year.
Relevant evidence: No