CREATE TABLE table_53788 ("Round" FLOAT, "Overall" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "Club team" TEXT)

What is the total for Canada during round 2?
SELECT "Overall" FROM table_53788 WHERE "Nationality" = 'canada' AND "Round" = '2'
SELECT "Overall" FROM "table_53788" WHERE "Nationality" = 'canada' AND "Round" = '2'