legislation_cosponsors: 100-sjres-40, E000284

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
100-sjres-40	E000284	Sen. Exon, J. James [D-NE]	D	NE	1987-05-27	0