user: Question: what is the right ascension (j2000) with the ngc number less than 3384, the constellation is Hydra and the object type is Spiral galaxy?
Columns: ['NGC number', 'Object type', 'Constellation', 'Right ascension ( J2000 )', 'Declination ( J2000 )']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [3310.0, 'Spiral galaxy', 'Ursa Major', '10h38m45.9s', '°30′12″']
SQL:

assistant: SELECT "Right ascension ( J2000 )" FROM "Table" WHERE "NGC number" < 3384.0 AND "Constellation" = 'Hydra' AND "Object type" = 'Spiral galaxy';