legislation_cosponsors: 99-hconres-177, S000596

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-177	S000596	Rep. Smith, Neal Edward [D-IA-4]	D	IA	1985-07-31	1