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: Josh Freeman threw for 242 yards and 2 touchdowns. Freeman threw an interception to Von Miller in the third quarter, in which he ran it back for a touchdown. Freeman fumbled once in which Von Miller forced. Connor Barth scored 3 field goals. Barth scored from 31, 50, and 55 yards. Doug Martin rushed for only 56 yards. Dallas Clark caught an 11-yard passing touchdown in the first quarter. Mike Williams caught a 5-yard passing touchdown in the fourth quarter. Rookie linebacker Lavonte David led the team once again in tackles and also intercepted Peyton Manning in the third quarter. The Tampa Bay defense held Denver to 91 rushing yards. 
Question: How many yards was Connor Barth's second longest field goal? 
Answer type: Number 
A: 
50.