Table: abe_mango_dorsa
Columns: name
latitude
longitude
diameter_km
year_named
name_origin

Question: How many numbers are listed under diameter with a lattitude of 5.0n?
SQL: SELECT COUNT("diameter_km") FROM abe_mango_dorsa WHERE "latitude" = '5.0N'

Question: What is the name origin with a diameter of 220.0 kilometers?
SQL: SELECT "name_origin" FROM abe_mango_dorsa WHERE "diameter_km" = '220.0'

Question: What is the name of feature with a longitude 246.0e?
SQL: SELECT "name" FROM abe_mango_dorsa WHERE "longitude" = '246.0E'