Question: What is the latitude of the 0 diameter?
SQL: SELECT "Latitude" FROM "2-16799784-4" WHERE "Diameter (km)" = 0.0;

Question: What is the longitude of Angerona Tholus?
SQL: SELECT "Longitude" FROM "2-16799784-4" WHERE "Name" = 'Angerona Tholus';

Question: What is the smallest diameter for Eirene Tholus?
SQL: SELECT MIN("Diameter (km)") FROM "2-16799784-4" WHERE "Name" = 'Eirene Tholus';