CREATE TABLE table_name_49 (pick__number VARCHAR(255), college_junior_club_team VARCHAR(255), position VARCHAR(255))
What is the Pick # for the College/junior/club team of edmonton oil kings (wchl), and the position if defence?
    
SQL: SELECT pick__number FROM table_name_49 WHERE college_junior_club_team = "edmonton oil kings (wchl)" AND position = "defence"