Hoping to maintain their winning streak the Texans flew to FedExField for an Interconference duel with the Redskins. In the first quarter The Texans trailed early as kicker Graham Gano got a 41 and a 27-yard field goal. In the second quarter the Texans replied and took the lead with QB Matt Schaub completing a 5-yard TD pass to WR Jacoby Jones, but fell behind again when RB Clinton Portis got two 1-yard TD runs to put the Redskins up 20-7. The Texans tried to cut the lead in the third quarter as kicker Neil Rackers nailed a 47-yard field goal, but the Redskins increased their lead with QB Donovan McNabb completing a 22-yard TD pass to TE Chris Cooley. The Texans then went on a scoring rally to successfully cut the lead when QB Matt Schaub made a 6-yard TD pass to WR Kevin Walter, followed in the 4th quarter by Rackers making a 43-yard field goal. Then Schaub threw a 34-yard TD pass to WR Andre Johnson. The Texans pulled out the overtime victory, their first in franchise history, when Rackers booted a 35-yard field goal to win the game for the Texans by the score of 30-27.

Answer this question based on the article: How many points did the Texans win by?
3