legislation_cosponsors: 100-sjres-40, S000055

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-sjres-40	S000055	Sen. Sanford, Terry [D-NC]	D	NC	1987-06-16	0