legislation_cosponsors: 115-hr-6545, C001037

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-hr-6545	C001037	Rep. Capuano, Michael E. [D-MA-7]	D	MA	2018-07-31	0