CREATE TABLE "planitia" (
  "name" text,
  "latitude" text,
  "longitude" text,
  "diameter_km" real,
  "year_named" real
);

Question: Which Diameter (km) has a Name of alma-merghen planitia, and a Year named smaller than 1997?
SQL: SELECT MAX("diameter_km") FROM "planitia" WHERE "name"='alma-merghen planitia' AND "year_named"<1997;

Question: Which Longitude has a Latitude of 73.0s, and a Name of aibarchin planitia?
SQL: SELECT "longitude" FROM "planitia" WHERE "latitude"='73.0s' AND "name"='aibarchin planitia';

Question: Which Year named has a Name of nuptadi planitia, and a Diameter (km) larger than 1,200.0?
SQL: SELECT MIN("year_named") FROM "planitia" WHERE "name"='nuptadi planitia' AND "diameter_km">'1,200.0';

Question: Which Latitude has a Year named smaller than 1997, and a Name of aino planitia?
SQL: SELECT "latitude" FROM "planitia" WHERE "year_named"<1997 AND "name"='aino planitia';