CREATE TABLE table_12238 ("Date" TEXT, "Ship" TEXT, "Nationality" TEXT, "Tonnage" FLOAT, "Fate" TEXT)

What is the date of the ship with a tonnage greater than 8,017?
SELECT "Date" FROM table_12238 WHERE "Tonnage" > '8,017'
SELECT "Date" FROM "table_12238" WHERE "Tonnage" > '8,017'