legislation_cosponsors: 99-hconres-328, K000172

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
99-hconres-328	K000172	Rep. Kildee, Dale E. [D-MI-7]	D	MI	1986-05-07	0