Table: 1971 buffalo bills season
[['round', 'pick', 'player', 'position', 'school / club team'], ['1', '4', 'jd hill', 'wide receiver', 'arizona state'], ['2', '29', 'jan white', 'tight end', 'ohio state'], ['3', '53', 'bruce jarvis', 'center', 'washington state'], ['3', '57', 'jim braxton', 'fullback', 'west virginia'], ['5', '107', 'donnie green', 'offensive tackle', 'purdue'], ['5', '113', 'tim beamer', 'defensive back', 'illinois'], ['6', '145', 'bill mckinley', 'defensive end', 'arizona'], ['7', '160', 'bob chandler', 'wide receiver', 'southern california'], ['8', '183', 'louis ross', 'defensive end', 'south carolina state']]
Statement: 2 Player had the Position of Defensive End , and 1 was a Defensive Back
Statement: there were the same number of Player picked in Round 3 as Round 5
Statement: the Player from Purdue was picked before the Player from Arizona
Statement: the Defensive End was picked before Round 7 , but after found 3
Statement: Bob Chandler and Louis Ross weren't picked in Round 3