legislation_cosponsors: 113-hr-1995, O000170

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
113-hr-1995	O000170	Rep. O'Rourke, Beto [D-TX-16]	D	TX	2013-07-10	0