legislation_cosponsors: 103-sres-206, M000019

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
103-sres-206	M000019	Sen. Mack, Connie, III [R-FL]	R	FL	1994-04-26	1