CREATE TABLE "2101_2200" (
  "ngc_number" real,
  "object_type" text,
  "constellation" text,
  "right_ascension_j2000" text,
  "declination_j2000" text
);

Question: Which Object type has a Constellation of orion, and an NGC number larger than 2174, and a Declination (J2000) of °48′06″?
SQL: SELECT "object_type" FROM "2101_2200" WHERE "constellation"='orion' AND "ngc_number">2174 AND "declination_j2000"='°48′06″';

Question: Which Right ascension (J2000) has a Constellation of mensa, and an NGC number larger than 2171?
SQL: SELECT "right_ascension_j2000" FROM "2101_2200" WHERE "constellation"='mensa' AND "ngc_number">2171;

Question: Which NGC number has an Object type of open cluster, and a Right ascension (J2000) of 06h01m06s?
SQL: SELECT MAX("ngc_number") FROM "2101_2200" WHERE "object_type"='open cluster' AND "right_ascension_j2000"='06h01m06s';

Question: Which Object type has an NGC number of 2171?
SQL: SELECT "object_type" FROM "2101_2200" WHERE "ngc_number"=2171;