Question: I want the NGC number for Leo of Irregular galaxy
SQL: SELECT "NGC number" FROM "2-11097664-10" WHERE "Constellation" = 'Leo' AND "Object type" = 'Irregular galaxy';

Question: Tell me the highest NGC number for right ascension of 09h40m28.5s
SQL: SELECT MAX("NGC number") FROM "2-11097664-10" WHERE "Right ascension ( J2000 )" = '09h40m28.5s';

Question: What is the constellation for Open cluster?
SQL: SELECT "Constellation" FROM "2-11097664-10" WHERE "Object type" = 'Open cluster';