Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What's the least amount of floors at 921 sw sixth avenue?

### Inputs:
table_name: table, columns: ['Name', 'Street address', 'Years as tallest', 'Height feet / m', 'Floors']

### Response:
SELECT MIN Floors FROM table WHERE Street address = 921 sw sixth avenue