Table: cfl_draft_2006_4
Columns: pick
cfl_team
player
position
college

Question: Which CFL Team has a Position of dl?
SQL: SELECT "cfl_team" FROM cfl_draft_2006_4 WHERE "position" = 'dl'

Question: Which CFL Team has a College of montreal, and a Player of marc trepanier?
SQL: SELECT "cfl_team" FROM cfl_draft_2006_4 WHERE "college" = 'montreal' AND "player" = 'marc trepanier'