legislation_cosponsors: 96-hconres-331, G000386

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
96-hconres-331	G000386	Rep. Grassley, Chuck [R-IA-3]	R	IA		0