legislation_cosponsors: 99-hr-4087, L000506

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-4087	L000506	Rep. Lujan, Manuel, Jr. [R-NM-1]	R	NM	1986-02-04	0