legislation_cosponsors: 113-sjres-7, F000444

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
113-sjres-7	F000444	Sen. Flake, Jeff [R-AZ]	R	AZ	2013-02-13	1