Definition: In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Input: Passage: In 1969, Bonham appeared on The Family Dogg's A Way of Life, with Page and Jones. Bonham also played for Screaming Lord Sutch on Lord Sutch and Heavy Friends in 1970. He played on Lulu's 1971 single "Everybody Clap", written by Maurice Gibb and Billy Lawrie. In 1972, he played on a Maurice Gibb-produced album by Jimmy Stevens called Don't Freak Me Out in the UK and Paid My Dues in the US, credited as "Gemini" (his star sign). He drummed for his Birmingham friend, Roy Wood, on "Keep Your Hands on the Wheel", a single subsequently released on his 1979 album, On the Road Again, and on Wings' album Back to the Egg on the tracks "Rockestra Theme" and "So Glad to See You Here". He was also featured on Paul McCartney & Wings' "Beware My Love" demo version first recorded in 1976, it remained unreleased until 2014 with the release of the album Wings at the Speed of Sound boxset. Bonham was the best man of Black Sabbath's Tony Iommi at his wedding ceremony.
 Link Information: Wings at the Speed of Sound sold 3.5 million copies worldwide. Question: How many copies were sold of the album that was released in 2014 as a boxset?
Output:
Answer: 3.5 million