Context: CREATE TABLE table_name_53 (right_ascension___j2000__ VARCHAR, constellation VARCHAR, declination___j2000__ VARCHAR)
Question: what is the right ascension (j2000) when the constellation is sextans and the declination (j2000) is °28′01″?
Answer: SELECT right_ascension___j2000__ FROM table_name_53 WHERE constellation = "sextans" AND declination___j2000__ = "°28′01″"