legislation_cosponsors: 97-hr-5568, M001088

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
97-hr-5568	M001088	Rep. Murphy, Austin J. [D-PA-22]	D	PA	1982-03-04	1