legislation_cosponsors: 98-hres-540, S000423

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-hres-540	S000423	Rep. Simon, Paul [D-IL-22]	D	IL	1984-09-11	1