Task: Question Answering
Input (English): Passage: at Cleveland Browns Stadium, Cleveland, Ohio TV Time: CBS 4:05pm eastern The Ravens traveled to Cleveland, Ohio for an AFC North match-up with the Cleveland Browns.  The Ravens struck first with kicker Matt Stover getting a 32-yard field goal.  However, in the second quarter, their small lead was wiped out, as WR Braylon Edwards caught a 58-yard TD pass and QB Charlie Frye got a one-yard TD run.  In the third quarter, both sides stiffened their defenses and prevented each other from scoring.  In the fourth quarter, down by 2 points, McNair drove down the field to set Stover up for a 52-yard field goal. With 0:29 left in the 4th quarter the field goal provided the winning points.  Steve McNair passed for 264 yards. He threw no interceptions and completed 23 passes out of 41. Jamal Lewis rushed for 86 yards. The leading receiver was Derrick Mason with 7 completions for 132 yards. The defense sacked Brown's quarterback Charlie Frye seven times. The defense also had one forced fumble and an interception. With their third straight win, the Ravens advanced to 3-0. 
Question: How many incomplete passes did McNair have? 
Answer type: Number 
Output (English): 18.