Question: The 1968 British Grand Prix was won by a driver born in what year?
Sentence (from "2017 British Grand Prix"): The 2017 British Grand Prix (formally known as the 2017 Formula 1 Rolex British Grand Prix) was a Formula One motor race that took place on 16 July 2017 at the Silverstone Circuit in Silverstone, United Kingdom.
Relevant evidence: No