Name the mountain peak with rank less than 6 abd location of 81.9083°n 75.0250°w
CREATE TABLE "the_50_most_topographically_isolated_mou" (
  "rank" real,
  "mountain_peak" text,
  "province" text,
  "mountain_range" text,
  "location" text
);
SELECT "mountain_peak" FROM "the_50_most_topographically_isolated_mou" WHERE "rank"<6 AND "location"='81.9083°n 75.0250°w';