Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Passage: In May, the Tigers were as many as eight games back of the first-place 2011 Cleveland Indians season, but slowly pulled back to near-even by the All-Star break. As a three-way battle for the division title developed between the Tigers, Indians, and 2011 Chicago White Sox season, the Tigers put together an 1810 record in August to begin to pull away. Starter Doug Fister, acquired via trade on July 30, provided an immediate spark, going 81 over the final two months of the season with a sparkling 1.79 ERA. After a loss on September 1, the Tigers reeled off a 12-game winning streak to put any thoughts of another late-season collapse to rest. The streak consisted of four consecutive three-game sweeps over their AL Central Division rivals. It was the Tigers longest winning streak since the 1934 Detroit Tigers season won 14 straight. On September 16, the Tigers clinched the AL Central Division title with a 31 win over the 2011 Oakland Athletics season. It was their first AL Central title since joining the division in 1998, and first division title of any kind since 1987 Detroit Tigers season. The Tigers clinched the division with 11 games left to play, tying the franchise record set by the 1984 Detroit Tigers season.
Question: In September, how many games did the Tigers win in a row?
Answer type: Number
Student:
12.