legislation_cosponsors: 100-hjres-252, B001172

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
100-hjres-252	B001172	Rep. Bustamante, Albert G. [D-TX-23]	D	TX	1987-06-03	0