Trying to snap a four-game losing skid, the Raiders stayed at home for a Week 10 interconference duel with the defending NFC champions, the Chicago Bears.  In the first quarter, Oakland struck first with kicker Sebastian Janikowski getting a 37-yard field goal for the only score of the period.  In the second quarter, the Bears would tie the game with kicker Robbie Gould getting a 32-yard field goal for the only score of the period. After a scoreless third quarter, the Raiders regained the lead with Janikowski nailing a 52-yard field goal.  Unfortunately, Oakland's struggles continued as QB Rex Grossman completed a 59-yard TD pass to WR Bernard Berrian, along with RB Cedric Benson getting a 3-yard TD run.. How many field goals were scored in the first half?