legislation_cosponsors: 101-sconres-134, S000429

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
101-sconres-134	S000429	Sen. Simpson, Alan K. [R-WY]	R	WY	1990-05-23	1