Between the 1989-90 and 1998-99 season, Dee Brown had the most three-point attempts per minute played * 48 with 20.0+ minutes per game in a season, with 12.17 in 1998-99.

highest (3pa per minute) * 48 in a season, players with 20 mpg in the 1990s
Interpreted as:
highest (3pa per minute) * 48 in a season, players with 20 or higher mpg in the 1990s

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