user: Question: What is Year Named, when Longitude is 227.5E?
Columns: ['Name', 'Latitude', 'Longitude', 'Diameter (km)', 'Year named']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Aitchison Patera', '16.7S', '349.4E', 28.0, 1994.0]
SQL:

assistant: SELECT "Year named" FROM "Table" WHERE "Longitude" = '227.5E';