legislation_cosponsors: 110-hr-1473, J000032

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
110-hr-1473	J000032	Rep. Jackson-Lee, Sheila [D-TX-18]	D	TX	2007-03-12	1