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

### Instruction:
What is the against percentage in the Vest-Agder constituency?

### Inputs:
table_name: table, columns: ['Constituency', 'Electorate', 's Spoilt vote', 'Total poll (%)', 'For (%)', 'Against (%)']

### Response:
SELECT Against (%) FROM table WHERE Constituency = Vest-Agder