legislation_cosponsors: 98-sjres-231, D000366

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
98-sjres-231	D000366	Sen. Dixon, Alan J. [D-IL]	D	IL	1984-03-14	0