Write a question about the following article: The Browns took on the Indianapolis Colts in Week 2, with both teams looking to rebound from losses. The Colts moved the ball well early, but had to settle for two Adam Vinatieri field goals to take a 6-0 lead. The Browns answered with an Evan Moore touchdown reception from Colt McCoy. The Colts briefly regained the lead on another Vinatieri field goal, but the Browns responded with a Peyton Hillis touchdown run to take a 14-9 lead into halftime. The Colts added another field goal in the third, but the Browns scored 13 unanswered points in the fourth to put the game away and defeat the Colts 27-19. With the win, the Browns improved to 1-1.

Question about the article:
How many points were the Browns winning by at halftime?