question: What is the highest number of amendments cosponsored associated with 53 amendments originally cosponsored and over 54 bills sponsored?
answer: SELECT MAX(all_amendments_cosponsored) FROM table_name_25 WHERE amendments_originally_cosponsored = 53 AND all_bills_sponsored > 54
context: CREATE TABLE table_name_25 (all_amendments_cosponsored INTEGER, amendments_originally_cosponsored VARCHAR, all_bills_sponsored VARCHAR)