Q: 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.
Passage: The 1996 campaign was the Suns first losing year in the SAL. First basemen Mike Whitlock led the team in home runs (20) and RBI (91) with a .252 batting average while drawing a franchise record 108 walks. He did this in 131 games at the age of 19, yet never played a game in the major leagues. Another player who displayed power was Craig Wilson (first baseman). Wilson hit 11 home runs with 70 RBI while maintaining a .261 batting average. Craig Stone returned from the 1995 squad, batting .310 with 10 home runs and 35 RBI in 56 games. Mike Johnson (1990s pitcher) won a staff-leading 11 games and also had a team-leading total of 162.2 innings pitched. He made his major league debut a season later with the Baltimore Orioles. Tom Davey won 10 games and had a 3.87 ERA in 26 starts.
Question: How many more RBI did Bobby Cripps have relative to Vernon Wells?
Answer type: Number
A:
21.