Completed the following sentence: In 1969, Penske and Donohue raced in their first Indianapolis 500, with Donohue finishing seventh, winning the rookie of the year award. Donohue<unk>raced<unk>at<unk>Indianapolis<unk>each<unk>year<unk>following, finishing<unk>second<unk>in
1970 and 25th in 1971. <unk> <unk> <unk> <unk> <unk> <unk>