user: Question: What's the longitude for Philae Sulcus in 1997 with a diameter less than 1575.0?
Columns: ['Name', 'Latitude', 'Longitude', 'Diameter', 'Year named']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Akitu Sulcus', '38.9N', '194.3W', 365.0, 1997.0]
SQL:

assistant: SELECT "Longitude" FROM "Table" WHERE "Diameter" < 1575.0 AND "Year named" = 1997.0 AND "Name" = 'Philae Sulcus';