legislation_cosponsors: 115-hconres-52, M001166

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-52	M001166	Rep. McNerney, Jerry [D-CA-9]	D	CA	2017-05-02	1