Washington entered the Oakland-Alameda County Coliseum seeking to beat the Raiders and finally earn their first road win of 2009. In the 1st quarter the Raiders scored first when K Sebastian Janikowski hit a 34-yard Field Goal. The Redskins took the lead when QB Jason Campbell found TE Fred Davis for a 6-yard Touchdown Pass. In the 2nd quarter the Raiders took the lead with RB Justin Fargas getting a 1-yard TD run. After Redskins K Graham Gano kicked a 46-yard Field Goal. the Redskins took the lead before halftime when Campbell completed his second TD pass to Davis, this time from 17 yards out. Meanwhile, in the 3rd quarter when the Raiders Only Score was Sebastian Janikowski kicking a 54-yard field goal. In the 4th quarter the Redskins extended the Lead with Quinton Ganther scoring back to back possessions on two 1-yard TD runs. While Gano nailed a 41-yard field goal to seal the win for the Redskins. With the win, Washington not only improved to 4-9, but also won their first road game of the season.
Question: How many did Washington win by?
Answer: 4