CREATE TABLE table_64204 ("Years covered" TEXT, "All bills sponsored" FLOAT, "All amendments sponsored" FLOAT, "All bills cosponsored" FLOAT, "All amendments cosponsored" FLOAT, "Bills originally cosponsored" FLOAT, "Amendments originally cosponsored" FLOAT)

What is the highest number of amendments cosponsored associated with 53 amendments originally cosponsored and over 54 bills sponsored?
SELECT MAX("All amendments cosponsored") FROM table_64204 WHERE "Amendments originally cosponsored" = '53' AND "All bills sponsored" > '54'
SELECT MAX("All amendments cosponsored") FROM "table_64204" WHERE "All bills sponsored" > '54' AND "Amendments originally cosponsored" = '53'