legislation_cosponsors: 110-hr-6735, S001148

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
110-hr-6735	S001148	Rep. Simpson, Michael K. [R-ID-2]	R	ID	2008-09-17	0