Table: draft_picks_2009_4
Columns: original_nfl_team
player
pos
college
conf

Question: Which player had a conference of PAC-10 and position of G?
SQL: SELECT "player" FROM draft_picks_2009_4 WHERE "conf" = 'pac-10' AND "pos" = 'g'

Question: Which player had a position of OL from Ohio State?
SQL: SELECT "player" FROM draft_picks_2009_4 WHERE "pos" = 'ol' AND "college" = 'ohio state'

Question: Which player had a position of QB for Texas Tech?
SQL: SELECT "player" FROM draft_picks_2009_4 WHERE "pos" = 'qb' AND "college" = 'texas tech'