CREATE TABLE table_74556 ("Year" FLOAT, "Tournament" CLOB, "Venue" CLOB, "Result" CLOB, "Extra" CLOB)

Tell me the sum of year for 5th result
SELECT SUM("Year") FROM table_74556 WHERE "Result" = '5th'
SELECT SUM("Year") FROM "table_74556" WHERE "Result" = '5th'