user: Question: what is the position when the round is higher than 3, the nationality is United States and the player is Nick Pryor?
Columns: ['Round', 'Player', 'Position', 'Nationality', 'College/Junior/Club Team (League)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Jake Gardiner', '(D)', 'United States', 'Minnetonka High School ( USHS-Minnesota )']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Round" > 3.0 AND "Nationality" = 'United States' AND "Player" = 'Nick Pryor';