Question: Which division does the football team, who made the playoffs for the first time in seven seasons in 2015, play within?

Related documents: [0]  [DOC] The 2015 Miami Dolphins season was the franchise's 46th season in the National Football League and the 50th overall. The Dolphins look to improve on their 8-8 record from 2014 and return to the playoffs for the first time in seven seasons. However Miami failed to clinch a playoff berth for the seventh consecutive season after a Week 14 loss to the Giants. [END] 
[1]  [DOC] The 2008 Miami Dolphins season was the organization's 39th season in the National Football League and 43rd overall. During the regular season the Dolphins completed the greatest single-season turnaround in NFL history, going from a 1–15 regular season record in 2007 to an 11–5 record in 2008. The previous record for most improved team one year after a 1–15 season belonged to the 1992 Indianapolis Colts, who went 9–7. The 1999 Indianapolis Colts were the only other team to accomplish a 10-game turnaround, winning 13 games after winning 3 in 1998. Additionally, Miami won the AFC East, becoming the first team in NFL history to win their division after only having one win the previous season. [END]  
Answer: AFC East
AFC East