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

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'