Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_68364 ( "Year" real, "Population (Region total)" real, "Population (Maryborough)" real, "Population (Hervey Bay)" real, "Population (Woocoo)" real, "Population (Tiaro)" real )

### Question ###
Name the total number of population hervey bay with population woocoo less than 640 and population of maryborough less than 19,257

### Accurate SQL ###

SELECT COUNT("Population (Hervey Bay)") FROM table_68364 WHERE "Population (Woocoo)" < '640' AND "Population (Maryborough)" < '19,257'