legislation_cosponsors: 116-hres-100, O000171

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-hres-100	O000171	Rep. O'Halleran, Tom [D-AZ-1]	D	AZ	2019-04-02	0