Question: The 2014 British Grand Prix was won by a racing driver who won is first World Championship title in what year?
Sentence (from "2014 British Grand Prix"): The 2014 British Grand Prix (formally the 2014 Formula 1 Santander British Grand Prix) was a Formula One motor race held on 6 July 2014 at the Silverstone Circuit in Silverstone, United Kingdom.
Relevant evidence: Yes