legislation_cosponsors: 99-sjres-337, B001077

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-sjres-337	B001077	Sen. Burdick, Quentin N. [D-ND]	D	ND	1986-05-01	0