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_140297_1 (density VARCHAR, principal_town VARCHAR)

### Question ###
What is the population density in the Brighton area?

### Accurate SQL ###

SELECT density FROM table_140297_1 WHERE principal_town = "Brighton"