legislation_cosponsors: 99-sjres-346, D000259

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
99-sjres-346	D000259	Sen. Denton, Jeremiah [R-AL]	R	AL	1986-06-11	0