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_name_79 ( floors INTEGER, building_type VARCHAR, sr_no VARCHAR )

### Question ###
what is the least floors when the building type is residential and the sr no is 8?

### Accurate SQL ###

SELECT MIN(floors) FROM table_name_79 WHERE building_type = "residential" AND sr_no = 8