legislation_cosponsors: 116-hr-4556, H001087

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
116-hr-4556	H001087	Rep. Hill, Katie [D-CA-25]	D	CA	2019-09-27	1