Question: What Brazilian racing driver died in an accident during the 48th season of FIA Formula One motor racing?

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1981 FIA Formula One World Championship: 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.

2012 FIA Formula One World Championship: 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.

1994 FIA Formula One World Championship: The 1994 FIA Formula One World Championship was the 48th season of FIA Formula One motor racing.  It featured the 1994 FIA Formula One World Championship which commenced on 27 March 1994, and ended on 13 November after sixteen races.  The season is remembered as one of the most tragic and controversial seasons in the sport's history.  1994 was one of the closest championships in history as Michael Schumacher won the Drivers' title by a single point from Damon Hill after the two controversially collided at the final round in Adelaide.  Schumacher had built up a huge championship lead, winning six of the first seven races, before two disqualifications and a race ban allowed Hill to close the gap.  British constructor Williams-Renault won the Constructors' Championship.  However, the 1994 season will also be remembered for the deaths of three-time World Champion Ayrton Senna and Austrian rookie Roland Ratzenberger at the San Marino Grand Prix.  Forty-six drivers competed in the 1994 World Championship, including fourteen who made their F1 debut and numerous pay drivers. Mercedes-Benz also returned to the sport for the first time since 1955 as an engine supplier to Swiss team, Sauber.  The season also saw the first win for Ferrari since 1990 – whilst McLaren failed to win a single race following the departure of Senna, before embarking on a long-term partnership with Mercedes.

1983 FIA Formula One World Championship: The 1983 FIA Formula One World Championship was the 37th season of FIA Formula One motor racing.  It featured the 1983 FIA Formula One World Championship, which commenced on 13 March and ended on 15 October after fifteen races.  Nelson Piquet won the World Drivers' Championship, his second Formula One title and the first to be won by a driver using a turbocharged engine.  The Manufacturers' Championship was won by Ferrari.

2015 FIA Formula One World Championship: The 2015 FIA Formula One World Championship was the 69th season of FIA Formula One motor racing.  It featured the 2015 Formula One World Championship, a motor racing championship for Formula One cars, recognised by the sport's governing body, the Fédération Internationale de l'Automobile (FIA), as the highest class of competition for open-wheel racing cars.  Twenty-two drivers representing ten teams contested nineteen Grands Prix, starting in Australia on 15 March and ending in Abu Dhabi on 29 November as they competed for the World Drivers' and World Constructors' championships.

2013 FIA Formula One World Championship: The 2013 FIA Formula One World Championship was the 67th season of the FIA Formula One motor racing.  It featured the 2013 FIA Formula One World Championship which was open to Formula One cars, recognised by the sport's governing body, the Fédération Internationale de l'Automobile (FIA), as the highest class of competition for open-wheel racing cars.  Eleven teams and twenty-three drivers contest the nineteen Grands Prix that made up the calendar for the 2013 season, with the winning driver being crowned the World Drivers' Champion and the winning team the World Constructors' Champions.  The season started in Australia on 17 March 2013 and ended in Brazil on 24 November 2013.

Ayrton Senna: Ayrton Senna da Silva (] ; 21 March 1960 – 1 May 1994) was a Brazilian racing driver who won three Formula One world championships for McLaren in 1988, 1990 and 1991, and is widely regarded as one of the greatest Formula One drivers of all time.  He died in an accident while leading the 1994 San Marino Grand Prix for Williams.

1992 FIA Formula One World Championship: The 1992 FIA Formula One World Championship was the 46th season of FIA Formula One motor racing.  It featured the 1992 FIA Formula One World Championship, which commenced on 1 March 1992 and ended on 8 November after sixteen races.  Nigel Mansell won the Drivers' Championship, and Williams-Renault won the Constructors' Championship, their first Constructors' Championship since 1987.  Mansell became the first driver in Formula One history to win nine races in a single season.  He sealed the title as early as August.  Reigning champion Ayrton Senna managed three race wins but trailed Mansell, Riccardo Patrese and young German Michael Schumacher in the championship.  Schumacher took his first race win of 91 at the Belgian Grand Prix.

2014 FIA Formula One World Championship: The 2014 FIA Formula One World Championship was the 68th season of FIA Formula One motor racing.  It featured the 2014 Formula One World Championship, a motor racing championship for Formula One cars, recognised by the sport's governing body, the Fédération Internationale de l'Automobile (FIA), as the highest class of competition for open-wheel racing cars.  The season started in Australia on 16 March and concluded in Abu Dhabi on 23 November.  In the nineteen Grands Prix of the season, a total of eleven teams and twenty-four drivers competed for the World Drivers' and World Constructors' championships.  It was the first Formula One season since to see an accident with ultimately fatal consequences as Jules Bianchi succumbed to the injuries he sustained during the 2014 Japanese Grand Prix.  He died on 17 July 2015 after spending nine months in a coma following the accident.

2016 FIA Formula One World Championship: The 2016 FIA Formula One World Championship was the 70th season of the Fédération Internationale de l'Automobile (FIA)'s Formula One motor racing.  It featured the 67th Formula One World Championship, a motor racing championship for Formula One cars which is recognised by the sport's governing body, the FIA, as the highest class of competition for open-wheel racing cars.  Teams and drivers took part in twenty-one Grands Prix—making for the longest season in the sport's history—starting in Australia on 20 March and finishing in Abu Dhabi on 27 November as they competed for the World Drivers' and World Constructors' championships.

Supporting paragraphs: 1994 FIA Formula One World Championship Ayrton Senna
Answer: Ayrton Senna