This task involves creating answers to complex questions, from a given passage. Answering these questions, typically involve understanding multiple sentences. Make sure that your answer has the same type as the "answer type" mentioned in input. The provided "answer type" can be of any of the following types: "span", "date", "number". A "span" answer is a continuous phrase taken directly from the passage or question. You can directly copy-paste the text from the passage or the question for span type answers. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words. A "number" type answer can include a digit specifying an actual value. For "date" type answers, use DD MM YYYY format e.g. 11 Jan 1992. If full date is not available in the passage you can write partial date such as 1992 or Jan 1992. If you find multiple spans, please add them all as a comma separated list. Please restrict each span to five words.
Q: Passage: After a tough opening loss to the St. Louis Rams, the Seahawks traveled to Green Bay to take on the Packers. The Packers struck first blood, scoring the game's first 10 points. Then, the Seahawks and Packers traded field goals, and the Packers led 13-3 at halftime. The Seahawks scored two unanswered touchdowns to take a 17-13 lead in the third quarter. However, the Packers proceeded to score the final 14 points of the game and won, 27-17, sending the Seahawks to their second consecutive loss of the young season. With the loss, the Seahawks dropped to 0-2. It was the first double digit loss for the Seahawks in the Wilson era and tied their largest loss since Week 9 of the 2011 season, when they lost by 10 points to the Dallas Cowboys.
Question: How many points were the Packers ahead by at halftime?
Answer type: Number
A:
10.