legislation_cosponsors: 119-hr-5356, B001313

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-5356	B001313	Rep. Brown, Shontel M. [D-OH-11]	D	OH	2026-03-03	0