legislation_cosponsors: 119-hr-2853, G000587

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-2853	G000587	Rep. Garcia, Sylvia R. [D-TX-29]	D	TX	2026-01-06	0