When was the only winter version of the games in which Shawn Machel Johnson won five gold medals held?
Shawn Johnson:  Johnson is also a five-time Pan American Games gold medalist, winning the team titles in 2007 and 2011, as well as titles in the all-around, uneven bars, and balance beam in 2007. Pan American Games:  The only Winter Pan American Games were held in 1990.
1990