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

### Instruction:
What Launched has Time elapsed of 1991 days (5 yr, 5 mo, 12 d)?

### Inputs:
table_name: table, columns: ['Spacecraft', 'Destination', 'Launched', 'Closest approach', 'Time elapsed']

### Response:
SELECT Launched FROM table WHERE Time elapsed = 1991 days (5 yr, 5 mo, 12 d)