legislation_cosponsors: 113-hr-1682, S000030

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-1682	S000030	Rep. Sanchez, Loretta [D-CA-46]	D	CA	2013-04-23	1