Still looking to clinch the AFC North Division after a disappointing road loss in Minnesota, the Bengals traveled west to take on the San Diego Chargers at Quallcomm Stadium. During the week, Chris Henry had died, and to honor him, the team all wore the number 15 on their helmets. Chad Ochocinco paid tribute to his teammate by kneeling for a prayer after he scored a touchdown in the first quarter. The Chargers were the first to score, when Antonio Gates caught a 3-yard touchdown pass from Philip Rivers. The Bengals answered back with a 26-yard field goal by Shayne Graham to make the score 7-3. In the second quarter, Chad Ochocinco caught a 49-yard touchdown pass from Carson Palmer, and the Bengals took the lead, 10-7. Following the Bengals' touchdown, the Chargers also got a touchdown, to put the Chargers back on top, 14-10. Near the end of the first half, Shayne Graham kicked another field goal, this time from 25 yards, to make the score 14-13 at halftime. The Bengals could not manage to score in the 3rd quarter, while the Chargers got a touchdown and a field goal. The score was 24-13 at the end of the 3rd quarter. The Bengals finally managed to score in the 4th quarter when Laveranues Coles caught a 2-yard touchdown pass from Carson Palmer. The Bengals went for a two-point conversion, and were successful, making the score 24-21. Later in the quarter, Shayne Graham kicked another field goal, tying the game at 24 points for each team. The Chargers were then able to reach field goal range, and Nate Kaeding kicked a long 52-yard field goal to win the game. Due to the Baltimore Ravens win over the Chicago Bears, The Bengals were unable to claim the AFC North Division title.
Question: How many points did the Chargers lead by at halftime?
Answer: 1