legislation_cosponsors: 112-hr-6428, H001050

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-6428	H001050	Rep. Hanabusa, Colleen W. [D-HI-1]	D	HI	2012-12-03	0