CREATE TABLE table_61040 ("Draft" FLOAT, "Round" FLOAT, "Pick" FLOAT, "Player" TEXT, "Nationality" TEXT)

What is Canada's highest round before 1973?
SELECT MAX("Round") FROM table_61040 WHERE "Nationality" = 'canada' AND "Draft" < '1973'
SELECT MAX("Round") FROM "table_61040" WHERE "Draft" < '1973' AND "Nationality" = 'canada'