what is the right ascension (j2000) when the constellation is sextans and the declination (j2000) is °28′01″?
CREATE TABLE "3101_3200" (
  "ngc_number" real,
  "object_type" text,
  "constellation" text,
  "right_ascension_j2000" text,
  "declination_j2000" text
);
SELECT "right_ascension_j2000" FROM "3101_3200" WHERE "constellation"='sextans' AND "declination_j2000"='°28′01″';