table: 1-10527215-3
columns: Rd, Name, Pole Position, Fastest Lap, Winning driver, Winning team, Report
Q: What was Johnny Rutherford's fastest lap while Al Unser was the pole position?
A: SELECT Fastest Lap FROM 1-10527215-3 WHERE Winning driver = 'Johnny Rutherford' AND Pole Position = 'Al Unser'