CREATE TABLE table_35718 ("Rocket" TEXT, "Country" TEXT, "Family" TEXT, "Launches" FLOAT, "Successes" FLOAT, "Failures" FLOAT, "Partial failures" FLOAT)

What is the sum of launches with Long March 3 and 0 failures?
SELECT SUM("Launches") FROM table_35718 WHERE "Rocket" = 'long march 3' AND "Failures" > '0'
SELECT SUM("Launches") FROM "table_35718" WHERE "Failures" > '0' AND "Rocket" = 'long march 3'