legislation_cosponsors: 99-hr-4909, W000237

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-hr-4909	W000237	Rep. Weber, Vin [R-MN-2]	R	MN	1986-05-22	1