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

### Instruction:
Result of 1st, and an Extra of 4 x 400 m relay is in what lowest year?

### Inputs:
table_name: table, columns: ['Year', 'Tournament', 'Venue', 'Result', 'Extra']

### Response:
SELECT MIN Year FROM table WHERE Result = 1st AND Extra = 4 x 400 m relay