which snowboarders only received 2 medals?
philipp schoch, shaun white, seth wescott, karine ruby, hannah teter, ross powers, danny kass
which of these were from the united states?
shaun white, seth wescott, hannah teter, ross powers, danny kass
which of those athletes won only gold medals?
shaun white, seth wescott
of the remaining athletes who competed the longest?
shaun white