legislation_cosponsors: 97-sjres-20, C000567

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
97-sjres-20	C000567	Sen. Cochran, Thad [R-MS]	R	MS	1981-03-17	0