user: Question: Name the total number of year named for  Athena , Greek goddess of wisdom .
Columns: ['Name', 'Latitude', 'Longitude', 'Diameter (km)', 'Year named', 'Name origin']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Adrasthea Tesserae', '30.0N', '55.0E', '750.0', 1997.0, 'Adrastea , Greek goddess of law .']
SQL:

assistant: SELECT SUM("Year named") FROM "Table" WHERE "Name origin" = 'Athena , Greek goddess of wisdom .';