Complex sentence: Rodolfo Lavín (born in July 30,1977) is a Mexican racecar driver from San Luis Potosí who most notably raced in the Champ Car World Series.
Split into simpler sentences: Rodolfo Lavín (born in July 30,1977) is a Mexican racecar driver from San Luis Potosí. He most notably raced in the Champ Car World Series.