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

### Instruction:
What's the longitude for philae sulcus in 1997 with a diameter less than 1,575.0?

### Inputs:
table_name: table, columns: ['Name', 'Latitude', 'Longitude', 'Diameter', 'Year named']

### Response:
SELECT Longitude FROM table WHERE Diameter < 1,575.0 AND Year named = 1997 AND Name = philae sulcus