legislation_cosponsors: 99-hr-4849, W000426

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-4849	W000426	Rep. Whittaker, Bob [R-KS-5]	R	KS	1986-07-22	0