legislation_cosponsors: 119-hr-964, S001223

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
119-hr-964	S001223	Rep. Sykes, Emilia Strong [D-OH-13]	D	OH	2025-02-04	1