CREATE TABLE table_14875 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

What's the year of the Chassis surtees ts19?
SELECT "Year" FROM table_14875 WHERE "Chassis" = 'surtees ts19'
SELECT "Year" FROM "table_14875" WHERE "Chassis" = 'surtees ts19'