CREATE TABLE table_17704 ("Year" FLOAT, "Total Region" FLOAT, "Biggenden" FLOAT, "Eidsvold" FLOAT, "Gayndah" FLOAT, "Monto" FLOAT, "Mundubbera" FLOAT, "Perry" FLOAT)

What is the biggended for 1947?
SELECT MAX("Biggenden") FROM table_17704 WHERE "Year" = '1947'
SELECT MAX("Biggenden") FROM "table_17704" WHERE "Year" = '1947'