legislation_cosponsors: 109-hr-5151, N000179

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
109-hr-5151	N000179	Rep. Napolitano, Grace F. [D-CA-38]	D	CA	2006-09-29	0