What is the highest rank Mount Elbert has?
CREATE TABLE "the_easternmost_high_summits_of_the_rock" (
  "rank" real,
  "mountain_peak" text,
  "state" text,
  "mountain_range" text,
  "location" text
);
SELECT MAX("rank") FROM "the_easternmost_high_summits_of_the_rock" WHERE "mountain_peak"='mount elbert';