legislation_cosponsors: 112-hr-5977, M001158

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
112-hr-5977	M001158	Rep. Marchant, Kenny [R-TX-24]	R	TX	2012-09-13	0