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

### Instruction:
What is Highest Days, when Launch Date is 23 January 2010?

### Inputs:
table_name: table, columns: ['Series', 'Host', 'Launch date', 'Finale date', 'Days', 'Winner', 'Prize']

### Response:
SELECT MAX Days FROM table WHERE Launch date = 23 january 2010