context: The Raiders hosted the Chiefs at Oakland-Alameda County Coliseum on November 30. The game began with both teams exchanging field goals to tie the game at 3. The Raiders lined up to kick another field goal, but instead elected to run a fake field goal, which was fumbled and recovered by Chiefs CB Maurice Leggett and returned for a touchdown. The Chiefs led the game 10-3 at halftime. In the third quarter, the Raiders tied the game at 10 with a touchdown by RB Justin Fargas. With the Chiefs backed up to their own 9 following a punt, QB Tyler Thigpen led the Chiefs's offense down the field and capped the drive with a hand-off to RB Larry Johnson for a 2-yard touchdown. On Oakland's next possession, Justin Fargas fumbled the football which eventually set up a Chiefs field goal. The Raiders attempted to get back in the game with a field goal by K Sebastian Janikowski, but the Chiefs held possession and ran out the clock for the remainder of the game. The Chiefs managed to snap their seven-game losing streak by beating the Raiders 20-13. It was Kansas City's sixth consecutive victory at Oakland-Alameda County Coliseum. The victory was Tyler Thigpen's first as the Chiefs' starting quarterback.
question: How many field goals were scored in the first half?
answer: 2