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

### Instruction:
Which constituency had the conservative party win in 2003?

### Inputs:
table_name: table, columns: ['Rank', 'Constituency', 'Winning party 2003', 'Swing to gain', "SNP's place 2003", 'Result']

### Response:
SELECT Constituency FROM table WHERE Winning party 2003 = conservative