user: Question: what is the constellation when the object type is Spiral galaxy, the ngc number is less than 3593 and the right ascension (j2000) is 11h05m48.9s?
Columns: ['NGC number', 'Object type', 'Constellation', 'Right ascension ( J2000 )', 'Declination ( J2000 )']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [3518.0, 'Spiral galaxy', 'Leo', '10h04m01.9s', '°28′29″']
SQL:

assistant: SELECT "Constellation" FROM "Table" WHERE "Object type" = 'Spiral galaxy' AND "NGC number" < 3593.0 AND "Right ascension ( J2000 )" = '11h05m48.9s';