Table: nba_espy_player
Columns: year
player
nationality
position
team

Question: What nationality has a year larger than 2009 with a position of power forward?
SQL: SELECT "nationality" FROM nba_espy_player WHERE "year" > 2009 AND "position" = 'power forward'

Question: Who plays for the chicago bulls?
SQL: SELECT "player" FROM nba_espy_player WHERE "team" = 'chicago bulls'