Task: Question Answering
Input (English): Passage: The Steelers started their 2013 season at home against the Titans.  They scored first when Darius Reynaud down the ball in their own end zone to give the Steelers a safety for a 2-0 lead in the first quarter. In the 2nd quarter, the Titans took the lead as Jackie Battle ran for a 3-yard TD to make the score 7-2 at halftime.  After the break, the Titans went right back to work as Rob Bironas nailed 3 field goals starting off in the 3rd quarter when he nailed one from 26 yards and also 2 in the 4th quarter from 44 and 27 yards out to take leads of 10-2, 13-2, and 16-2 respectively.  The Steelers then tried their luck at a comeback attempt but only came up short as Ben Roethlisberger found Jerricho Cotchery on a 4-yard TD pass for a final score of 16-9 and their 3rd straight 0-1 seasonal start. 
Question: How many points did Steelers lose by? 
Answer type: Number 
Output (English): 7.