Conversation so far:
who won the 1990 nascar winston cup championship
Dale Earnhardt with Richard Childress Racing was crowned the 1990 Winston Cup champion.
when did the driver Dale Earnhardt begin his racing career
Dale Earnhardt began his career in 1975 in the World 600 as part of the Winston Cup Series.
how did Dale Earnhardt die
Dale Earnhardt died due to injuries sustained in a collision during the final lap of the Daytona 500.

Question: when did the driver die
Self-contained rewrite: when did Dale Earnhardt die