CREATE TABLE table_name_51 (ngc_number INT, declination___j2000__ VARCHAR)

what is the highest ngc number when the declination (j2000) is 25 26 ?
SELECT MAX(ngc_number) FROM table_name_51 WHERE declination___j2000__ = "°25′26″"
SELECT MAX("ngc_number") FROM "table_name_51" WHERE "declination___j2000__" = "°25′26″"