Trying to rebound from two-straight losses, the Raiders flew to Arrowhead Stadium for a fierce AFC West fight with the Kansas City Chiefs.  For this game, QB Aaron Brooks fully recovered from his earlier injuries and returned to the starting lineup.  In the first quarter, Chiefs RB Larry Johnson got a 5-yard TD run, while the Raiders responded with kicker Sebastian Janikowski getting a 41-yard field goal.  In the second quarter, Oakland had the Kansas City on the run with Janikowski kicking a 36-yard field goal and Brooks completing a 2-yard TD pass to TE Courtney Anderson.  In the third quarter, the Chiefs came within three points with kicker Lawrence Tynes getting a 37-yard field goal for the only score of the period.  In the fourth quarter, Johnson delivered the death blow with a 1-yard TD run.  With the loss, the Raiders fell to 2-8.. How many field goals were scored in the third quarter?