legislation_cosponsors: 106-hconres-252, K000078

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
106-hconres-252	K000078	Rep. Kelly, Sue W. [R-NY-19]	R	NY	2000-02-16	1