legislation_cosponsors: 100-sres-422, E000236

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
100-sres-422	E000236	Sen. Evans, Daniel J. [R-WA]	R	WA	1988-04-28	1