CREATE TABLE table_name_94 (population__hervey_bay_ VARCHAR2, population__woocoo_ VARCHAR2, population__maryborough_ VARCHAR2)

Name the total number of population hervey bay with population woocoo less than 640 and population of maryborough less than 19,257
SELECT COUNT(population__hervey_bay_) FROM table_name_94 WHERE population__woocoo_ < 640 AND population__maryborough_ < 19 OFFSET 257
SELECT COUNT("population__hervey_bay_") FROM "table_name_94" WHERE "population__maryborough_" < 19 AND "population__woocoo_" < 640 OFFSET 257 ROWS