legislation_cosponsors: 115-hr-7015, D000600

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-7015	D000600	Rep. Diaz-Balart, Mario [R-FL-25]	R	FL	2018-10-02	1