Instructions: 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.
Input: Passage: Ozawa's "Northern Force" comprised four aircraft carriers, two World War I battleships partially converted to carriers , three light cruisers , and nine destroyers. His force had only 108 aircraft. (That is slightly more than maximum capacity of the flagship Zuikaku. Ozawa's force was not located until 16:40 on 24 October, largely because Sherman's TG38.3which was the northernmost of Halsey's groupswas responsible for searches in this sector. The force that Halsey was taking north with himthree groups of Mitscher's TF38was overwhelmingly stronger than the Japanese Northern Force. Between them, these groups had five large fleet carriers , five light carriers , six modern battleships , eight cruisers , and more than 40 destroyers. The air groups of the ten U.S. carriers present contained 600-1,000 aircraft. At 02:40 on 25 October, Halsey detached TF34, built around the 3rd Fleet's six battleships and commanded by Vice Admiral Willis "Ching" Lee. As dawn approached, the ships of Task Force 34 drew ahead of the carrier groups. Halsey intended Mitscher to make air strikes followed by the heavy gunfire of Lee's battleships.
Question: How many days did these events span?
Answer type: Number
Output:
2.