CREATE TABLE table_name_4 (position VARCHAR2, player VARCHAR2, nationality VARCHAR2, round VARCHAR2)

WHAT IS THE POSITION FOR CANADA, ROUND SMALLER THAN 7, PLAYER ZACH BOYCHUK?
SELECT position FROM table_name_4 WHERE nationality = "canada" AND round < 7 AND player = "zach boychuk"
SELECT "position" FROM "table_name_4" WHERE "canada" = "nationality" AND "player" = "zach boychuk" AND "round" < 7