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

### Instruction:
What was the earliest year with rank 20 and less than 60 floors?

### Inputs:
table_name: table, columns: ['Rank', 'Name', 'Height m (ft)', 'Floors', 'Year']

### Response:
SELECT MIN Year FROM table WHERE Rank = 20 AND Floors < 60