CREATE TABLE table_55074 ("NGC number" FLOAT, "Object type" TEXT, "Constellation" TEXT, "Right ascension  (  J2000  ) " TEXT, "Declination  (  J2000  ) " TEXT)

what is the declination (j2000) that has a constellation of hydra and a right ascension (j2000) of 10h46m44.9s?
SELECT "Declination ( J2000 )" FROM table_55074 WHERE "Constellation" = 'hydra' AND "Right ascension ( J2000 )" = '10h46m44.9s'
SELECT "Declination ( J2000 )" FROM "table_55074" WHERE "Constellation" = 'hydra' AND "Right ascension ( J2000 )" = '10h46m44.9s'