CREATE TABLE table_57244 ("NGC number" FLOAT, "Object type" TEXT, "Constellation" TEXT, "Right ascension  (  J2000  ) " TEXT, "Declination  (  J2000  ) " TEXT, "Apparent magnitude" FLOAT)

Tell me the right ascensuon for object type of globular cluster and apparent magnitude of 8.5 and NGC number of 6273
SELECT "Right ascension ( J2000 )" FROM table_57244 WHERE "Object type" = 'globular cluster' AND "Apparent magnitude" = '8.5' AND "NGC number" = '6273'
SELECT "Right ascension ( J2000 )" FROM "table_57244" WHERE "Apparent magnitude" = '8.5' AND "NGC number" = '6273' AND "Object type" = 'globular cluster'