tttjjj/elt_bench huggingface dataset:
ballotpedia_id: The ballotpedia.org page name for the person (spaces are given as spaces, not underscores).
bioguide_previous_id: The previous alphanumeric ID for this legislator
bioguide_id: The alphanumeric ID for this legislator
birthday_bio: The legislator's birthday,
cspan_id: The numeric ID for this legislator on C-SPAN's video website,
fec_id:  A list of IDs for this legislator in Federal Election Commission data.
first_name: first name of the legislator
gender_bio: gender of the legislator
google_entity_id_id: google entity id
govtrack_id: The numeric ID for this legislator on GovTrack.us
house_history_alternate_id: The alternative numeric ID for this legislator
house_history_id: The numeric ID for this legislator on http://history.house.gov/People/Search/
icpsr_id: The numeric ID for this legislator in Keith Poole's VoteView.com website, originally based on an ID system by the Interuniversity Consortium for Political and Social Research (stored as an integer).
last_name: last name of the legislator
lis_id: The alphanumeric ID for this legislator found in Senate roll call votes
maplight_id: The numeric ID for this legislator on maplight.org
middle_name: the middle name of the legislator
nickname_name: nickname of the legislator
official_full_name: official full name
opensecrets_id: The alphanumeric ID for this legislator on OpenSecrets.org.
religion_bio: The legislator's religion.
suffix_name: suffix name
thomas_id: The numeric ID for this legislator on http://thomas.gov and http://beta.congress.gov.
votesmart_id: The numeric ID for this legislator on VoteSmart.org
wikidata_id: the id for wikidata
wikipedia_id:  The Wikipedia page name for the person