CREATE TABLE table_15266 ("Year" FLOAT, "Population  ( Region total ) " FLOAT, "Population  ( Bundaberg ) " TEXT, "Population  ( Gooburrum ) " FLOAT, "Population  ( Woongarra ) " FLOAT, "Population  ( Isis ) " FLOAT, "Population  ( Kolan ) " FLOAT)

In what Year is the Isis Population 4,082 and the Regional Population less than 55,990?
SELECT COUNT("Year") FROM table_15266 WHERE "Population (Isis)" = '4,082' AND "Population (Region total)" < '55,990'
SELECT COUNT("Year") FROM "table_15266" WHERE "Population (Isis)" = '4,082' AND "Population (Region total)" < '55,990'