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_19775 ( "Administrative division" text, "Area (km\u00b2)" text, "Population 2000 Census" real, "Population (2010 Census)" real, "Population density 2010 (/km\u00b2)" real )

### Question ###
Name the total number of population 2000 census for mesquita

### Accurate SQL ###

SELECT COUNT("Population 2000 Census") FROM table_19775 WHERE "Administrative division" = 'Mesquita'