legislation_cosponsors: 97-sjres-121, L000174

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-121	L000174	Sen. Leahy, Patrick J. [D-VT]	D	VT	1981-12-01	0