legislation_cosponsors: 104-hr-3604, S000109

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
104-hr-3604	S000109	Rep. Schaefer, Dan [R-CO-6]	R	CO	1996-06-10	1