legislation_cosponsors: 110-hr-5490, K000220

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-5490	K000220	Rep. Kingston, Jack [R-GA-1]	R	GA	2008-03-13	0