legislation_cosponsors: 116-sres-400, S001191

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-sres-400	S001191	Sen. Sinema, Kyrsten [D-AZ]	D	AZ	2019-10-31	1