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

### Instruction:
What is the win % of the 2003 atp world tour finals?

### Inputs:
table_name: table, columns: ['Tournament', '2003', '2004', '2005', '2006', '2007', '2008', '2009', '2010', '2011', '2012', 'Win %']

### Response:
SELECT Win % FROM table WHERE 2003 = atp world tour finals