legislation_cosponsors: 98-sconres-135, S000776

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-sconres-135	S000776	Sen. Stafford, Robert T. [R-VT]	R	VT	1984-08-09	1