CREATE TABLE "sulci" (
  "name" text,
  "latitude" text,
  "longitude" text,
  "diameter" real,
  "year_named" real
);

Question: What's the lowest diameter when the longitude is 71.1w?
SQL: SELECT MIN("diameter") FROM "sulci" WHERE "longitude"='71.1w';

Question: What's the longitude for philae sulcus in 1997 with a diameter less than 1,575.0?
SQL: SELECT "longitude" FROM "sulci" WHERE "diameter"<'1,575.0' AND "year_named"=1997 AND "name"='philae sulcus';

Question: What is dardanus sulcus' lowest diameter?
SQL: SELECT MIN("diameter") FROM "sulci" WHERE "name"='dardanus sulcus';

Question: How many years is ur sulcus listed with a diameter less than 1,145.0?
SQL: SELECT COUNT("year_named") FROM "sulci" WHERE "name"='ur sulcus' AND "diameter"<'1,145.0';