Table: rookies_roster_4
Columns: player
no_s
height_in_ft
position
years_for_rockets
school_club_team_country

Question: What are all the positions for the rockets in 2008?
SQL: SELECT "position" FROM rookies_roster_4 WHERE "years_for_rockets" = '2008'

Question: What is the height of the school club team members in clemson?
SQL: SELECT "height_in_ft" FROM rookies_roster_4 WHERE "school_club_team_country" = 'Clemson'