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_26973 ( "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 least indian tamil for population density being 240

### Accurate SQL ###

SELECT MIN("Indian Tamil") FROM table_26973 WHERE "Population Density (/km 2 )" = '240'