Coming off their divisional home win over the Redskins, the Cowboys stayed at home for a Week 12 Thanksgiving interconference showdown with the New York Jets.  In the first quarter, Dallas shot first with RB Marion Barber getting a 7-yard TD run for the only score of the period.  In the second quarter, the 'Boys increased their lead with QB Tony Romo completing a 25-yard TD pass to TE Jason Witten, along with CB Terence Newman returning an interception 50 yards for a touchdown, the first of his career.  Afterwards, the Jets got their only score of the game as kicker Mike Nugent got a 40-yard field goal. In the third quarter, the Cowboys increased their lead with rookie kicker Nick Folk getting a 46-yard field goal for the only score of the period.  In the fourth quarter, Dallas pulled away with Folk getting a 27-yard field goal & Romo completing a 22-yard TD pass to WR Terrell Owens. QB Tony Romo (21/28 for 195 yards with 2 touchdowns and 1 interception), DE Chris Canty (2 tackles, 1 assist, and 1 sack), LB DeMarcus Ware (1 tackle and 3 assists), CB Terence Newman (1 tackle and 1 interception), and LB Greg Ellis (4 tackles and 2 sacks) all ended up getting CBS's All-Iron Award for their performances.
Question: How many points were the Jets trailing by at halftime?
Answer: 18