legislation_cosponsors: 99-hres-581, S000586

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-hres-581	S000586	Rep. Smith, Lawrence [D-FL-16]	D	FL	1986-10-17	0