user: ### NOW ANSWER:
Question: what is the least floors when the building type is Residential and the sr no is 8?
Columns: ['Sr No', 'Name', 'Locale', 'Height', 'Floors', 'Building Type']
Types: ['real', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'Imperial Tower 1', 'Tardeo', 'metres (ft)', 61.0, 'Residential']
SQL:

assistant: SELECT MIN("Floors") FROM "Table" WHERE "Building Type" = 'Residential' AND "Sr No" = 8.0;