What is the average Density of 53 No. munic.?
CREATE TABLE table_name_40 (density__per_km²_ INTEGER, no_munic VARCHAR)
SELECT AVG(density__per_km²_) FROM table_name_40 WHERE no_munic = 53
### Context: CREATE TABLE table_name_40 (density__per_km²_ INTEGER, no_munic VARCHAR) ### Question: What is the average Density of 53 No. munic.? ### Answer: SELECT AVG(density__per_km²_) FROM table_name_40 WHERE no_munic = 53