Question: The second place finisher of the 2011 Gran Premio Santander d'Italia drove for who when he won the 2009 FIA Formula One World Championship?

Context articles: 2008 Italian Grand Prix
1981 FIA Formula One World Championship
2011 Italian Grand Prix
2012 FIA Formula One World Championship
2009 FIA Formula One World Championship
Jenson Button
1985 FIA Formula One World Championship
2009 Italian Grand Prix
1988 FIA Formula One World Championship
1987 FIA Formula One World Championship

The 2008 Italian Grand Prix (formally the LXXIX Gran Premio Santander d'Italia) was a Formula One motor race held on 14 September 2008 at the Autodromo Nazionale Monza, Monza, Italy.
 It was the 14th race of the 2008 Formula One season.
 The 53-lap race was won by Sebastian Vettel for the Toro Rosso team after starting from pole position.
 Heikki Kovalainen finished second in a McLaren, and Robert Kubica third in a BMW Sauber.
The 1981 FIA Formula One World Championship was the 35th season of FIA Formula One motor racing.
 It featured the 1981 FIA Formula One World Championship, which was contested over a fifteen-race series that commenced on 15 March and ended on 17 October.
 Formula One cars also contested the 1981 South African Grand Prix, although this was technically a Formula Libre race and was not part of the Formula One World Championship.
The 2011 Italian Grand Prix, formally known as the 2011 Gran Premio Santander d'Italia, was a Formula One motor race that was held on 11 September 2011 at the Autodromo Nazionale Monza in Italy.
 It was the thirteenth round of the 2011 Formula One season and was also the sixtieth time the Italian Grand Prix had been held at Monza.
 The 53-lap race was won by Red Bull's Sebastian Vettel, the World Drivers' Championship leader, after he started from pole position.
 Jenson Button finished in second place for McLaren, and Fernando Alonso completed the podium in third position for Ferrari.
The 2012 FIA Formula One World Championship was the 66th season of FIA Formula One motor racing.
 It featured the 2012 FIA Formula One World Championship, a motor racing series for Formula One cars, recognised by the Fédération Internationale de l'Automobile (FIA) — the governing body of motorsport — as the highest class of competition for open-wheel racing cars.
 The championship was contested over twenty rounds, which started in Australia on 18 March and ended in Brazil on 25 November.
 The 2012 season saw the return of the United States Grand Prix, which was held at the Circuit of the Americas, a purpose-built circuit in Austin, Texas.
 After being cancelled in 2011 due to civil protests, the Bahrain Grand Prix also returned to the calendar.
The 2009 FIA Formula One World Championship was the 63rd season of FIA Formula One motor racing.
 It featured the 2009 FIA Formula One World Championship which was contested over 17 events commencing with the Australian Grand Prix on 29 March and ending with the inaugural Abu Dhabi Grand Prix on 1 November.
Jenson Alexander Lyons Button {'1': ", '2': ", '3': ", '4': "} (born 19 January 1980) is a British racing driver currently under contract with McLaren-Honda, as a reserve driver.
 He won the 2009 FIA Formula One World Championship, driving for Brawn GP.
 Button announced in September 2016 that he would be giving up his seat at the end of the 2016 season but announced that he would remain at McLaren as a reserve driver and ambassador of McLaren until 2018.
The 1985 FIA Formula One World Championship was the 39th season of FIA Formula One motor racing.
 It featured the 1985 Formula One World Championship which commenced on 7 April and ended on 3 November after sixteen races.
 The Formula 1 World Championship for Drivers was awarded to Alain Prost, and the Formula One World Championship for Constructors was awarded to McLaren.
The 2009 Italian Grand Prix (formally the LXXX Gran Premio Santander d'Italia) was a Formula One motor race held on 13 September 2009 at the Autodromo Nazionale Monza, Monza, Italy.
 It was the 13th race of the 2009 Formula One season.
 It was contested over 53 laps.
The 1988 FIA Formula One World Championship was the 42nd season of FIA Formula One motor racing.
 It featured the 1988 Formula One World Championship for Drivers and the 1988 Formula One World Championship for Constructors, both of which commenced on 3 April 1988 and ended on 13 November after sixteen races.
 The World Championship for Drivers was won by Ayrton Senna, and the World Championship for Constructors by McLaren-Honda.
 Senna and McLaren team-mate Alain Prost won fifteen of the sixteen races between them; the only race neither driver won was the Italian Grand Prix, where Ferrari's Gerhard Berger took an emotional victory four weeks after the death of team founder Enzo Ferrari.
 McLaren's win tally has only been bettered or equalled in seasons with more than sixteen races; their Constructors' Championship tally of 199 points, more than three times that of any other constructor, was also a record until .
The 1987 FIA Formula One World Championship was the 41st season of FIA Formula One motor racing.
 It featured the 1987 Formula One World Championship for Drivers and the 1987 Formula One World Championship for Constructors, both of which commenced on 12 April 1987 and ended on 15 November after sixteen races.
 The World Championship for Drivers was won by Nelson Piquet, and the World Championship for Constructors by Williams-Honda.
 The season also encompassed the Jim Clark Trophy and the Colin Chapman Trophy, which were respectively contested by drivers and constructors of Formula One cars powered by naturally aspirated engines.