Question: What is the birthdate of this British professional racing driver, who won the 2016 Buenos Aires ePrix race for his first win of the season?

Context paragraphs:
Juan Gálvez: Juan Gálvez (Buenos Aires, 14 February 1916 – 3 March 1963 in Olavarría) was an Argentine racing driver, and the brother of driver Óscar Alfredo Gálvez.  They started racing together in Turismo Carretera but then took separate ways and competed in different cars.  He made his debut in the Avellaneda Automobile Club 1000-Mile race on 14 February 1941 and finished second to Juan Manuel Fangio.  His first win came on 22 February 1949 at the I Vuelta de Santa Fe.  He won the Turismo Carretera championship nine times, in 1949, 1950, 1951, 1952, 1955, 1956, 1957, 1958 and 1961.  His last victory was at the IV Vuelta de Laboulaye (1962) behind the wheel of a Ford.  He was killed during an accident at Olavarría race in 1963.  In 13 years of motorsport he competed in 153 races, winning more than 50 times.

2017 Buenos Aires ePrix: The 2017 Buenos Aires ePrix (formally the 2017 FIA Formula E Buenos Aires ePrix) was a Formula E motor race held on 18 February 2017 at the Puerto Madero Street Circuit in Puerto Madero, Buenos Aires, Argentina in front of a crowd of 21,000 people.  It was the third round of the 2016–17 Formula E season and the third running of the event.  The 37-lap race was won by e.Dams-Renault driver Sébastien Buemi after starting from third position.  Jean-Éric Vergne finished second for the Techeetah team and Audi Sport ABT driver Lucas di Grassi came in third.

Buenos Aires Grand Prix (motor racing): The Buenos Aires Grand Prix was a motor race held in Buenos Aires, Argentina.  The event was first held at the Costanera circuit from the early 1930s until 1936 and then continued in 1941 at the Retiro circuit.  After a six-year break and General Juan Peron in office, racing resumed at Retiro in 1947 with the start of the South American "Temporada" Grand Prix series to be contested twice a year under Formula Libre regulations.  Italian Luigi Villoresi won all 1947 Temporada events.  The race regularly attracted Brazilian and European drivers and also Argentine drivers such as Juan Manuel Fangio and José Froilán González were now competing in Europe on a regular basis.  For the 1948 Grand Prix season, the race was moved to the Palermo circuit where it would remain to host six of twelve "Peron Cup" races until the end of 1950.  In 1951, the Costanera Norte circuit would host its last three Grand Prix events before the 1951 completion of the Autodromo 17 de Octubre (October 17), a purpose-built circuit for major Grand Prix series which would host various editions of the Buenos Aires Grand Prix from 1952 until 2009 with the exception of the 1956 event held at the General San Martin circuit in Mendoza.

2015 Beijing ePrix: The 2015 Beijing ePrix, formally the 2015 FIA Formula E SWUSP Beijing ePrix, was a Formula E motor race that was held on 24 October 2015 at the Beijing Olympic Green Circuit in Beijing, China.  It was the second edition of the Beijing ePrix and the first race of the second season of the electrically powered racing car series.  The race was dominated by Sébastien Buemi, who won starting from pole position.  Since he also recorded the fastest lap, he became the first driver to score the maximum of 30 points from a single ePrix

2016 Buenos Aires ePrix: The 2016 Buenos Aires ePrix was a Formula E motor race held on 6 February 2016 at the Puerto Madero Street Circuit in Puerto Madero, Buenos Aires, Argentina.  It was the fourth championship race of the 2015–16 Formula E season, the single-seater, electrically powered racing car series' second season.  It was also the second Buenos Aires ePrix and the 15th Formula E race overall.  Sam Bird won the race for his first win of the season.

Jérôme d'Ambrosio: Jérôme d'Ambrosio (born 27 December 1985) is a Belgian professional racing driver.  He drove for Marussia Virgin Racing during the 2011 Formula One World Championship.  As a result of the one-race ban given to Romain Grosjean for actions at the start of the 2012 Belgian Grand Prix, d'Ambrosio replaced the Frenchman for the 2012 Italian Grand Prix.  In 2016, he is competing in Formula E driving for Dragon Racing.  D'Ambrosio achieved his first Formula E victory in 2015 at the 2015 Berlin ePrix, and a second at the 2016 Mexican ePrix, both as a result of Lucas di Grassi's disqualification.

Buenos Aires ePrix: The Buenos Aires ePrix is an annual race of the single-seater, electrically powered Formula E championship, held in Buenos Aires, Argentina.  It was first raced in the 2014–15 season.

Sam Bird: Sam Jamie Bird (born 9 January 1987) is a British professional racing driver who currently drives for Virgin Racing in Formula E and for AF Corse in the FIA World Endurance Championship.

2015 Buenos Aires ePrix: The 2015 Buenos Aires ePrix, formally the 2015 FIA Formula E Buenos Aires ePrix was a Formula E motor race held on 10 January 2015 at the Puerto Madero Street Circuit in Puerto Madero, Buenos Aires, Argentina.  It was the first edition of the Buenos Aires ePrix and the fourth championship race of the single-seater, electrically powered racing car series' inaugural season.  The race was won by António Félix da Costa.

Lucas di Grassi: Lucas Tucci di Grassi (born 11 August 1984) is a Brazilian professional racing driver who currently competes for Audi Sport ABT in Formula E and is the 2016-17 World Champion.  In 2014, di Grassi became the first driver in motorsport history to win a motor race in an all-electric single-seater racing car at the 2014 Beijing ePrix.  He was also runner-up in the 2007 GP2 Series, 2015-16 FIA Formula E and 2016 FIA World Endurance Championship, and drove for Virgin Racing in the 2010 Formula One season.

Supporting paragraphs: 2016 Buenos Aires ePrix Sam Bird
Answer: 9 January 1987