legislation_cosponsors: 101-hconres-86, W000570

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
101-hconres-86	W000570	Rep. Wilson, Charles [D-TX-2]	D	TX	1989-04-05	1