Complete the following sentence: Weld won the 1963 Knoxville Nationals, the premiere event in sprint car racing. Weld raced in the USAC Championship Car series in the 1965<unk>1972 seasons, with 36 career starts, including the
1970 Indianapolis 500. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ 1967 USAC Sprint Car Series Champion. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️