SELECT MIN(original_amendments_cosponsored) FROM table_name_50 WHERE all_bills_sponsored < 64 AND bill_support_withdrawn < 0
Berapa banyak tagihan asli amandemen yang disatukan lebih rendah dari 64, dengan dukungan tagihan ditarik lebih rendah dari 0?
CREATE TABLE table_name_50 (original_amendments_cosponsored INTEGER, all_bills_sponsored VARCHAR, bill_support_withdrawn VARCHAR)