user: Question: Tell me the right ascensuon for object type of Globular cluster and apparent magnitude of 8.5 and NGC number of 6273
Columns: ['NGC number', 'Object type', 'Constellation', 'Right ascension ( J2000 )', 'Declination ( J2000 )', 'Apparent magnitude']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [6205.0, 'Globular cluster', 'Hercules', '16h41m41s', '°27′37″', 5.8]
SQL:

assistant: SELECT "Right ascension ( J2000 )" FROM "Table" WHERE "Object type" = 'Globular cluster' AND "Apparent magnitude" = 8.5 AND "NGC number" = 6273.0;