Write an article that answers the following question: which player scored first?
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.