The Bengals returned home to take on the Seahawks.  They would score first in the first quarter when Andy Dalton found Tyler Eifert on a 14-yard TD pass for a 7-0.  The Seahawks scored 24 straight points: later on in the quarter they managed to tie it up when Russel Wilson found Jermaine Kearse on a 30-yard TD pass for a 7-7 game.In the second quarter, the Seahawks took the lead as Steven Hauschka nailed a 24-yard field goal for a 10-7 game at halftime.  In the third quarter, the Seahawks went back to work as Thomas Rawls ran for a 69-yard TD for a 17-7 game followed up by Bobby Wagner returning a fumble 23 yards for a TD for a 24-7 game.  In the fourth quarter, the Bengals would start a reign of 20 straight points:  First starting out when Dalton and Eifert hooked up again on a 10-yard TD pass for a 24-14 game followed by Dalton running for a 5-yard TD for a 24-21 game.  Mike Nugent then kicked a 31-yard field goal through for a tied game at 24-24.  In overtime, Nugent would kick the game winning 42-yard field goal for the 27-24 win. With the win, the Bengals improved to 5-0 for the first time since 1988. This win also tied the 3rd largest comeback win in franchise history. It was also the first time the Seahawks had blown a 17-point 4th quarter lead since 2004 against St. Louis.
Question: How did the Seahawks score their last touchdown?
Answer: returning a fumble