The Vikings began their 2007 campaign at home against the Atlanta Falcons. In the first quarter, Minnesota scored first with defensive tackle Kevin Williams returning an interception 54 yards for a touchdown. It was the only score of the first half. In the third quarter, kicker Ryan Longwell kicked a 49-yard field goal. In the fourth quarter, the Falcons got their only score of the game, with Matt Prater kicking a 45-yard field goal. From there, the Vikings had the only offense with Tarvaris Jackson throwing a 60-yard touchdown pass to rookie running back Adrian Peterson. Cornerback Antoine Winfield returned an interception 14 yards for a touchdown.
Question: In which quarters did only one team score?
Answer: first | third