What is the highest number of amendments cosponsored associated with 53 amendments originally cosponsored and over 54 bills sponsored?
CREATE TABLE "legislation_sponsored_by_john_mc_cain" (
  "years_covered" text,
  "all_bills_sponsored" real,
  "all_amendments_sponsored" real,
  "all_bills_cosponsored" real,
  "all_amendments_cosponsored" real,
  "bills_originally_cosponsored" real,
  "amendments_originally_cosponsored" real
);
SELECT MAX("all_amendments_cosponsored") FROM "legislation_sponsored_by_john_mc_cain" WHERE "amendments_originally_cosponsored"=53 AND "all_bills_sponsored">54;