Question: How long is the diameter that has a longitude of 8.0E?
SQL: SELECT "Diameter (km)" FROM "2-16799784-13" WHERE "Longitude" = '8.0E';

Question: What name was given in 1994 when the diameter (km) was larger than 125 and the latitude was 30.0S?
SQL: SELECT "Name" FROM "2-16799784-13" WHERE "Year named" = 1994.0 AND "Diameter (km)" > 125.0 AND "Latitude" = '30.0S';

Question: What is the longitude of Carmenta Farra in 1994?
SQL: SELECT "Longitude" FROM "2-16799784-13" WHERE "Year named" = 1994.0 AND "Name" = 'Carmenta Farra';