Table: draft_pick
Columns: pick
player
position
nationality
nhl_team
college_junior_club_team

Question: NHL players are all centre in Florida panthers.
SQL: SELECT "player" FROM draft_pick WHERE "position" = 'Centre' AND "nhl_team" = 'Florida Panthers'

Question: NHL team player San Jose Sharks is United States nationally.
SQL: SELECT "player" FROM draft_pick WHERE "nhl_team" = 'San Jose Sharks' AND "nationality" = 'United States'

Question: All players are position mark polak.
SQL: SELECT "position" FROM draft_pick WHERE "player" = 'Mark Polak'

Question: Position in nhl team centre are all smaller pick than 243.0
SQL: SELECT "nhl_team" FROM draft_pick WHERE "position" = 'Centre' AND "pick" < 243.0