legislation_cosponsors: 99-hr-3486, W000406

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-3486	W000406	Rep. Whitehurst, G. William [R-VA-2]	R	VA	1985-11-01	0