CREATE TABLE table_1175233_1 (area__square_km_ INT, arrondissement VARCHAR)

What is the area (square km) where the arrondissement is millau?
SELECT MIN(area__square_km_) FROM table_1175233_1 WHERE arrondissement = "Millau"
SELECT MIN("area__square_km_") FROM "table_1175233_1" WHERE "Millau" = "arrondissement"