legislation_cosponsors: 106-sres-87, C001034

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
106-sres-87	C001034	Sen. Cleland, Max [D-GA]	D	GA	1999-06-16	0