CREATE TABLE table_15071 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

What is the year when Spirit Tom's Racing had more than 3 points?
SELECT SUM("Year") FROM table_15071 WHERE "Entrant" = 'spirit tom''s racing' AND "Points" > '3'
SELECT SUM("Year") FROM "table_15071" WHERE "Entrant" = 'spirit tom''s racing' AND "Points" > '3'