legislation_cosponsors: 110-hconres-290, H000636

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-hconres-290	H000636	Rep. Hinojosa, Ruben [D-TX-15]	D	TX	2008-02-07	1