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: The Cincinnati Bengals (7-5) scored the go-ahead touchdown with 4:51 remaining in the game and defeated the Chargers (4-8), 20-13. San Diego surrendered 10 points in the final five minutes of regulation for the second consecutive week, and they lost for the fourth straight week and seventh time in eight games. The Chargers dropped to 0-5 in games decided by seven points or fewer. It was their fourth loss in a game when holding a fourth-quarter lead. Williams intercepted Bengals quarterback Andy Dalton and returned it for a 31-yard touchdown, his second score of the season. Rivers had two turnovers in the final 3:54. A fumble set up a field goal for the Bengals, and he threw an interception on fourth-and-10 from Cincinnati's 17 with 49 seconds remaining. The Chargers' offense was held without a touchdown for the third time in the season. The Chargers' home crowd of 54,980 was their lowest since 2004. It was their second straight blackout and third of the season. Meachem did not have a pass thrown to him for the second straight week; it was his fifth game without a catch.
Question: How many wins did the Chargers have in the last four game?
Answer type: Number
Output:
0.