Question: The 2014 British Grand Prix was won by a racing driver who won is first World Championship title in what year?

Context articles: Lewis Hamilton
1957 British Grand Prix
British Grand Prix
List of Formula One drivers
2014 British Grand Prix
José Froilán González
John Taylor (racing driver)
Graham Whitehead
Adrien Morillas
1950 British Grand Prix

Lewis Carl Davidson Hamilton, MBE, (born 7 January 1985) is a British racing driver who races in Formula One for the Mercedes AMG Petronas team.
 A three-time Formula One World Champion, he is often considered the best driver of his generation and widely regarded as one of the greatest Formula One drivers in the history of the sport.
 He won his first World Championship title with McLaren in 2008 before moving to Mercedes, where he won back-to-back titles in 2014 and 2015.
 Hamilton has more race victories than any other British driver in the history of Formula One ( ), and holds records for the all-time most career points ( ), the most wins at different circuits (24), the all-time most pole positions ( ), as well as achieving the joint-most podium finishes in a season (17).
 Hamilton is also the only driver to have won at least one Grand Prix in every season he has competed in.
The 1957 British Grand Prix was a Formula One motor race held on 20 July 1957 at the Aintree Circuit, near Liverpool.
 It was the tenth British Grand Prix and it was race 5 of 8 in the 1957 World Championship of Drivers.
 The race was won by Stirling Moss and Tony Brooks, who shared driving duties in a Vanwall.
 It was the third and final time that a Grand Prix had been won by two drivers in a shared car.
 This was the first occasion that a British-built car won a World Drivers' Championship race, a feat achieved with two British drivers at their home Grand Prix.
The British Grand Prix is a race in the calendar of the FIA Formula One World Championship.
 It is currently held at the Silverstone Circuit near the village of Silverstone in Northamptonshire in England.
 The British and Italian Grands Prix are the only Formula One World Championship Grands Prix staged continuously since the championship was introduced in 1950 (the Monaco and Belgian Grands Prix have missed a few seasons since hosting races in the 1950 inaugural season).
 It was designated the European Grand Prix five times between 1950 and 1977, when this title was an honorary designation given each year to one Grand Prix race in Europe.
 All British Grands Prix dating back to 1926 have been held in England; where the British motor racing industry is primarily located.
Formula One, abbreviated to F1, is the highest class of open-wheeled auto racing defined by the Fédération Internationale de l'Automobile (FIA), motorsport's world governing body.
 The "formula" in the name refers to a set of rules to which all participants and cars must conform.
 The F1 world championship season consists of a series of races, known as Grands Prix, held usually on purpose-built circuits, and in a few cases on closed city streets.
 Drivers are awarded points based on their position in each race, and the driver who accumulates the most points over each calendar year is crowned that year's World Champion.
 As of the 2017 Singapore Grand Prix, there have been 970 FIA World Championship races since its first event, the 1950 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.
 It was the ninth round of the 2014 Formula One season, and the 69th British Grand Prix.
 The 52-lap race was won by Lewis Hamilton for the Mercedes team, from a sixth position start; the lowest position he has ever won from.
 Valtteri Bottas finished second in a Williams car, with Daniel Ricciardo third for the Red Bull Racing team.
 This race was the first to be red-flagged on lap one since the 2000 Monaco Grand Prix.
José Froilán González (October 5, 1922 – June 15, 2013) was an Argentine racing driver, particularly notable for scoring Ferrari's first win in a Formula One World Championship race at the 1951 British Grand Prix.
 He made his Formula One debut for Scuderia Achille Varzi in the 1950 Monaco Grand Prix.
 His last Grand Prix was the 1960 Argentine Grand Prix.
John Malcolm Taylor (23 March 1933 – 8 September 1966) was a racing driver from England.
 He participated in five World Championship Formula One Grands Prix, and also participated in several non-championship Formula One races.
 His Formula One debut was on 11 July 1964, at the British Grand Prix at Brands Hatch driving a one-litre, 4-cylinder, Cooper–Ford T73, where he finished fourteenth, 24 laps down, after an extended pit–stop due to a gearbox problem.
 Taylor did not compete in the Formula One World Championship in 1965, but continued to drive in non–championship races.
 He returned to Grand Prix racing in 1966 driving a two-litre Brabham–BRM for privateer David Bridges.
 His first race that season was the French Grand Prix at Reims where he scored his one championship point.
 There followed eighth places at both the British Grand Prix at Brands Hatch and the Dutch Grand Prix at Zandvoort.
Anthony Graham Whitehead (born in Harrogate, 15 April 1922 – died in Lower Basildon, Berkshire, 15 January 1981) was a British racing driver from England.
 He participated in one Formula One World Championship Grand Prix, on 19 July 1952.
 He finished 12th, scoring no championship points.
 He also competed in several non-Championship Formula One races.
 He began racing his half-brother Peter's ERA, in 1951 and then drove his Formula Two Alta in the 1952 British Grand Prix.
 He finished second at 1958 24 Hours of Le Mans only weeks before the accident on the Tour de France in which Peter was killed.
 Graham escaped serious injury and later raced again with an Aston Martin and Ferrari 250GT before stopping at the end of 1961.
Adrien Morillas (born May 30, 1958) is a French former Superbike and Grand Prix motorcycle road racer.
 He competed in the inaugural Superbike World Championship season in 1988, winning one race.
 His best year in Grand Prix competition was in 1991 when he finished in eleventh place in the 500cc world championship.
 After his Grand Prix career, Morillas returned to compete in the Superbike World Championship from 1992 to 1995.
 He participated in the FIM Endurance World Championship in 1993 and 1994, winning the 24 Hours of Le Mans both years.
 He claimed the Endurance World Championship title for Kawasaki in 1994.
The 1950 British Grand Prix/1950 Grand Prix of Europe was a Formula One motor race held on 13 May 1950 at the Silverstone Circuit in Silverstone, England.
 It was the first World Championship Formula One race in the modern era, as well as the fifth British Grand Prix, and the third to be held at Silverstone after motor racing resumed after World War II.
 It was race 1 of 7 in the 1950 World Championship of Drivers.