The Seahawks began the 2007 campaign at home against its 1976 expansion mate, the Tampa Bay Buccaneers.  In the first quarter, Seattle trailed early as Bucs kicker Matt Bryant kicked  38-yard and 32-yard field goals.  In the second quarter, Seahawks kicker Josh Brown nailed a 28-yard field goal, then the Seahawks took the lead when RB Shaun Alexander powered in for a 1-yard TD run.  After a scoreless third quarter, Seattle sealed the victory with Brown's 46-yard field goal and a 34-yard TD pass from QB Matt Hasselbeck to RB Maurice Morris. With the win, the Seahawks began a season at 1-0 for the 4th time in the past 5 years.
Question: Which two teams were expansion teams in 1976?
Answer: The Seahawks | Tampa Bay Buccaneers