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

### Instruction:
What is the drainage basin when the reservoir suface is 6.14?

### Inputs:
table_name: table, columns: ['Reservoir', 'Basin', 'Location', 'Type', 'Height (m)', 'Length along the top (m)', 'Drainage basin (km²)', 'Reservoir surface (ha)', 'Volume (hm³)']

### Response:
SELECT Drainage basin (km²) FROM table WHERE Reservoir surface (ha) = 6.14