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

### Instruction:
When Chloe was number 8, Olivia was number 2, Emma was number 1, and Ava was number 4, who was number 5?

### Inputs:
table_name: table, columns: ['Region (year)', 'No. 1', 'No. 2', 'No. 3', 'No. 4', 'No. 5', 'No. 6', 'No. 7', 'No. 8', 'No. 9', 'No. 10']

### Response:
SELECT No. 5 FROM table WHERE No. 8 = chloe AND No. 2 = olivia AND No. 1 = emma AND No. 4 = ava