Question: What Brazilian racing driver died in an accident during the 48th season of FIA Formula One motor racing?
Sentence (from "1994 FIA Formula One World Championship"): 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.
Relevant evidence: No