legislation_cosponsors: 99-hconres-201, S001115

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-201	S001115	Rep. Swift, Al [D-WA-2]	D	WA	1985-10-22	0