Which NGC number has a Constellation of ursa major?
CREATE TABLE "2701_2800" (
  "ngc_number" real,
  "object_type" text,
  "constellation" text,
  "right_ascension_j2000" text,
  "declination_j2000" text
);
SELECT MAX("ngc_number") FROM "2701_2800" WHERE "constellation"='ursa major';