legislation_cosponsors: 101-hr-4845, S000606

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-hr-4845	S000606	Rep. Smith, Bob [R-NH-1]	R	NH	1990-06-14	0