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.

Passage: Hoping to continue their current winning streak, the Packers returned to Lambeau Field for their home opener, an interconference duel with the Buffalo Bills. In the 1st quarter Green Bay took the early lead as kicker Mason Crosby made two field goals from 44 and a 24-yards. RB Brandon Jackson added a touchdown on a 1-yard run. The Bills then answered in the 2nd quarter when RB Fred Jackson scored a touchdown on a 3-yard run. In the third quarter the Packers increased their lead when WR Donald Driver hauled in a 7-yard touchdown pass from QB Aaron Rodgers, followed by Rodgers scrambling 9 yards to the endzone for a touchdown. The Packers continued to dominate in the fourth quarter when Rodgers completed a 30-yard touchdown pass to WR James Jones. With the win, Green Bay improved their record to 2-0 on the season tied with the Chicago Bears for the division lead. Both the Minnesota Vikings and Detroit Lions fell to 0-2. Linebacker Clay Matthews, became the first Packer and one of only eight players in NFL history to record at least 6 sacks in the first two weeks of the season.
Question: How many total points were scored in the first half?
Answer type: Number
20.