Question: What is the year that Nahete Colles was named?
SQL: SELECT MAX("Year named") FROM "2-16799784-15" WHERE "Name" = 'Nahete Colles';

Question: What year was the geological feature with a latitude of 76.0n and a diameter larger than 548 km was named?
SQL: SELECT MAX("Year named") FROM "2-16799784-15" WHERE "Latitude" = '76.0n' AND "Diameter (km)" > 548.0;

Question: What is the diameter in km of T'ien Hu Colles?
SQL: SELECT "Diameter (km)" FROM "2-16799784-15" WHERE "Name" = 'T''ien Hu Colles';