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_26974 ( "DS Division" text, "Main Town" text, "GN Divisions" real, "Area (km 2 )" real, "Sri Lankan Tamil" real, "Sri Lankan Moors" real, "Sinhalese" real, "Indian Tamil" real, "Other" real, "Total" real, "Population Density (/km 2 )" real )

### Question ###
Name the popultion density being manthai west

### Accurate SQL ###

SELECT "Population Density (/km 2 )" FROM table_26974 WHERE "DS Division" = 'Manthai West'