Answer based on context:

Coming off their divisional road win over the Bengals, the Steelers went home, donned their throwback uniforms again, and played a Week 9 Monday Night divisional duel with the Baltimore Ravens.  In the first quarter, Pittsburgh came out strong as QB Ben Roethlisberger completed a 17-yard TD pass to TE Heath Miller and a 15-yard TD pass to WR Santonio Holmes.  In the second quarter, the Steelers increased their lead with Roethlisberger completing a 30-yard TD pass to WR Nate Washington, a 35-yard TD pass to Holmes, and a 7-yard TD pass to Washington.  Afterwards, the Ravens managed to avoid a shutout as RB Willis McGahee got a 33-yard TD run.  In the third quarter, Pittsburgh increased its lead with kicker Jeff Reed nailing a 22-yard field goal, while the defense continued to shut down Baltimore's offense. With the win, their 12th straight in Monday Night Football home games, the Steelers improved to 6-2. Ben Roethlisberger had a career game as he completed 13 of 16 passes for 209&#160;yards and a career-high 5 touchdowns for his second career "perfect game."  LB James Harrison had a career day with three forced fumbles, a fumble recovery, an interception, and 3&#189; sacks. During halftime, the Steelers honored their All-Time team.  Members included Joe Greene, Terry Bradshaw, Franco Harris, Jerome Bettis, Rod Woodson, John Stallworth, Lynn Swann, and Mel Blount.

How many touchdown passes shorter than 16 yards did Ben Roethlisberger throw in the first quarter?
1