In week 14, the Lions visited the Tampa Bay Buccaneers. Each team exchanged touchdowns in the first quarter. First a two-yard touchdown run from Detroit's Theo Riddick, then a one-yard touchdown run from Tampa Bay's Doug Martin. The only score of the second quarter was a five-yard touchdown pass from Matthew Stafford to Golden Tate, to make the score 14-7 in favor of Detroit at half-time. The Lions scored the only points of the third quarter when Riddick ran in his second touchdown of the game, this time from 18-yards. Tampa Bay responded with back-to-back touchdowns in the fourth quarter, first with a two-yard touchdown pass from Jameis Winston to O. J. Howard, then a two-yard touchdown pass from Winston to Leonard Wester to tie the game at 21. Matt Prater kicked a 46-yard field goal with 20 seconds left in the game, making the final score 24-21 in favor of Detroit.
Question: How many points did Detroit win by?
Answer: 3