Question: For an apparent magnitude greater than 11.8 what Right ascension value is assigned?
SQL: SELECT "Right ascension ( J2000 )" FROM "2-11097691-7" WHERE "Apparent magnitude" > 11.8;

Question: What is the least apparent magnitude for all constellations from Hydra?
SQL: SELECT MIN("Apparent magnitude") FROM "2-11097691-7" WHERE "Constellation" = 'Hydra';