CREATE TABLE table_59935 ("Date" CLOB, "Name of ship" CLOB, "Flag" CLOB, "Tonnage" FLOAT, "Fate" CLOB)

What is the Tonnage of the ship from Canada?
SELECT MAX("Tonnage") FROM table_59935 WHERE "Flag" = 'canada'
SELECT MAX("Tonnage") FROM "table_59935" WHERE "Flag" = 'canada'