what is the highest ngc number when the declination (j2000) is °25′26″?
CREATE TABLE "3101_3200" (
  "ngc_number" real,
  "object_type" text,
  "constellation" text,
  "right_ascension_j2000" text,
  "declination_j2000" text
);
SELECT MAX("ngc_number") FROM "3101_3200" WHERE "declination_j2000"='°25′26″';