legislation_cosponsors: 110-hr-6549, L000397

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-6549	L000397	Rep. Lofgren, Zoe [D-CA-16]	D	CA	2008-11-19	0