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

### Instruction:
What Time elapsed has both the Launched of 15 October 1997 and the Closest approach of 24 June 1999?

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

### Response:
SELECT Time elapsed FROM table WHERE Launched = 15 october 1997 AND Closest approach = 24 june 1999