legislation_cosponsors: 115-hconres-38, D000620

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-38	D000620	Rep. Delaney, John K. [D-MD-6]	D	MD	2017-03-22	1