legislation_cosponsors: 115-hconres-103, G000377

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
115-hconres-103	G000377	Rep. Granger, Kay [R-TX-12]	R	TX	2018-02-05	1