Hoping to rebound from their loss to the Saints the Seahawks played on home ground where they played their former division rival, the Kansas City Chiefs. In the first quarter, the Seahawks trailed early with QB Matt Cassel getting a 7-yard TD pass to WR Dwayne Bowe. They responded after FS Earl Thomas returned a blocked punt 10 yards for a touchdown. They fell behind as Shaun Smith got a 1-yard TD run, followed by Cassel finding Bowe again on a 36-yard TD pass. The Seahawks cut the lead when kicker Olindo Mare got a 43-yard field goal, followed by QB Matt Hasselbeck getting a 13-yard TD pass to TE Chris Baker. The struggled further with RB Jamaal Charles getting a 3-yard TD run, followed by Cassel throwing to Bowe on a 9-yard TD pass. The Seahawks responded as Hasselbeck completed an 87-yard TD pass to WR Ben Obomanu, but the Chiefs increased their lead as Cassel got a 6-yard TD pass to TE Tony Moeaki.

Answer this question based on the article: How many yards was Matt Hasselbeck's longest touchdown pass?
87