CREATE TABLE table_80313 ("Year" FLOAT, "Total Region" FLOAT, "Biggenden" FLOAT, "Eidsvold" FLOAT, "Gayndah" FLOAT, "Monto" FLOAT, "Mundubbera" FLOAT, "Perry" FLOAT)

Which is the year with Mundubbera being smaller than 2,395, and Biggenden smaller than 1,506?
SELECT SUM("Year") FROM table_80313 WHERE "Mundubbera" < '2,395' AND "Biggenden" < '1,506'
SELECT SUM("Year") FROM "table_80313" WHERE "Biggenden" < '1,506' AND "Mundubbera" < '2,395'