legislation_cosponsors: 116-hr-2863, K000379

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-2863	K000379	Rep. Kennedy, Joseph P., III [D-MA-4]	D	MA	2019-06-04	0