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_1175233_1 ( area__square_km_ INTEGER, arrondissement VARCHAR )

### Question ###
What is the area (square km) where the arrondissement is millau?

### Accurate SQL ###

SELECT MIN(area__square_km_) FROM table_1175233_1 WHERE arrondissement = "Millau"