user: ### NOW ANSWER:
Question: At a longitude of 293.0E, what is the diameter, in km?
Columns: ['Name', 'Latitude', 'Longitude', 'Diameter (km)', 'Year named', 'Name origin']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Agrona Linea', '40.0N', '280.0E', '2,300.0', 2006.0, 'Welsh goddess of slaughter, destroyer of life.']
SQL:

assistant: SELECT "Diameter (km)" FROM "Table" WHERE "Longitude" = '293.0E';