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

### Instruction:
Name the became consort for marriage of 4 april 1721

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

### Response:
SELECT Became Consort FROM table WHERE Marriage = 4 april 1721