CREATE TABLE table_68366 ("Year" FLOAT, "Population  ( Region total ) " FLOAT, "Population  ( Maryborough ) " FLOAT, "Population  ( Hervey Bay ) " FLOAT, "Population  ( Woocoo ) " FLOAT, "Population  ( Tiaro ) " FLOAT)

Name the most population hervey bay for when population maryborough of 22,977 and population tiaro less than 3,287
SELECT MAX("Population (Hervey Bay)") FROM table_68366 WHERE "Population (Maryborough)" = '22,977' AND "Population (Tiaro)" < '3,287'
SELECT MAX("Population (Hervey Bay)") FROM "table_68366" WHERE "Population (Maryborough)" = '22,977' AND "Population (Tiaro)" < '3,287'