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

### Instruction:
Name the marriage of the person who is married for christian viii

### Inputs:
table_name: table, columns: ['Birth', 'Marriage', 'Became Consort', 'Ceased to be Consort', 'Death', 'Spouse']

### Response:
SELECT Marriage FROM table WHERE Spouse = christian viii