Coming off their come-from-behind road win against Houston, the Colts went home for a divisional duel with the 5-6 Tennessee Titans. Indianapolis started off the scoring with an eight-yard run from Joseph Addai. The Titans came back with a 20-yard field goal by Rob Bironas. Indianapolis struck again in the second quarter on another Joseph Addai run, then again on a four-yard pass to Austin Collie. The Titans would hit paydirt next with 0:20 left in the half, but Indianapolis would close out the first half with a 43-yard field goal by Matt Stover. After a scoreless third quarter, the Colts would strike next on another field goal, this time from 36 yards. The Titans scored again on a 17-yard pass to Bo Scaife. The Titans regained possession on an onside kick, but the Colts Defense kept the Titans from scoring again. Also with the win, the Colts tied the 2006-2008 Patriots record for most consecutive regular season wins with 21.

Answer this question based on the article: How many yards was the longest touchdown pass?
17