Complex sentence: The 2007 Auto Club 500 was the second race in the 2007 NASCAR Nextel Cup season, and took place on February 25,2007 at the California Speedway in Fontana, California.
Split into simpler sentences: The 2007 Auto Club 500 is the second race in the 2007 NASCAR Nextel Cup season. The race takes place on February 25,2007 at the California Speedway in Fontana, California.