legislation_cosponsors: 115-hconres-117, V000130

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
115-hconres-117	V000130	Rep. Vargas, Juan [D-CA-51]	D	CA	2018-04-10	1