legislation_cosponsors: 110-hr-5560, D000197

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
110-hr-5560	D000197	Rep. DeGette, Diana [D-CO-1]	D	CO	2008-03-31	0