1990 pulitzer prize
journalism awards
Table:
Public Service
Washington Daily News (Washington, North Carolina)
The Philadelphia Inquirer
"For revealing that the city's water supply was contaminated with carcinogens, a problem that the local government had neither disclosed nor corrected over a period of eight years."
"For reporting by Gilbert M. Gaul that disclosed how the American blood industry operates with little government regulation or supervision."

General News Reporting
Staff of the San Jose Mercury News
"For its detailed coverage of the October 17, 1989, Bay Area earthquake and its aftermath."

Investigative Reporting
Lou Kilzer and Chris Ison of the Star Tribune (Minnesota)
"For reporting that exposed a network of local citizens who had links to members of the St. Paul fire department and who profited from fires, including some described by the fire department itself as being of suspicious origin."

Explanatory Journalism
David A. Vise and Steve Coll of The Washington Post
"For stories scrutinizing the Securities and Exchange Commission and the way it has been affected by the policies of its former chairman, John Shad."

Specialized Reporting
Tamar Stieber of the Albuquerque Journal
"For persistent reporting that linked a rare blood disorder to an over-the-counter dietary supplement, L-Tryptophan, and led to a national recall of the product."

National Reporting
Ross Anderson, Bill Dietrich, Mary Ann Gwinn and Eric Nalder of The Seattle Times
"For coverage of the Exxon Valdez oil spill and its aftermath."

International Reporting
Nicholas D. Kristof and Sheryl WuDunn of The New York Times
"For knowledgeable reporting from China on the mass movement for democracy and its subsequent suppression."

Feature Writing
Dave Curtin of the Colorado Springs Gazette Telegraph
"For a gripping account of a family's struggle to recover after its members were severely burned in an explosion that devastated their home."

Commentary
Jim Hoagland of The Washington Post
"For searching and prescient columns on events leading up to the Gulf War and on the political problems of Mikhail Gorbachev."

Criticism
David Shaw of the Los Angeles Times
"For his critiques of the way in which the media, including his own paper, reported the McMartin Pre-School child molestation case."

Editorial Writing
Thomas J. Hylton of The Mercury (Pennsylvania)
"For his editorials about a local bond issue for the preservation of farmland and other open space in rural Pennsylvania."

Editorial Cartooning
Tom Toles of The Buffalo News
"For his work during the year as exemplified by the cartoon 'First Amendment.'"

Spot News Photography
Greg Marinovich of the Associated Press
"For a series of photographs of supporters of South Africa's African National Congress brutally murdering a man they believed to be a Zulu spy.

Feature Photography
William Snyder of The Dallas Morning News
"For his photographs of ill and orphaned children living in subhuman conditions in Romania."

Considering the table from the Wikipedia page '1990 pulitzer prize' in the 'journalism awards' section, choose the correct column type(s) for the highlighted column among these candidate types: sports.sports_league, music.producer, celebrities.celebrity, location.in_state, soccer.football_league_season, government.general_election, location.region, music.performance_role, location.us_state, people.ethnicity, location.us_county, american_football.football_team, military.military_conflict, sports.sports_championship, rail.locomotive_class, sports.professional_sports_team, film.actor, sports.multi_event_tournament, government.us_president, military.military_post, government.government_office_or_title, business.job_title, tennis.tennis_tournament, medicine.drug, sports.school_sports_team, soccer.fifa, award.award, sports.sports_position, education.educational_institution, book.periodical, location.location, religion.religious_leader, education.educational_degree, location.province, cvg.computer_videogame, book.author, location.australian_local_government_area, sports.sports_team, book.magazine, film.film_genre, architecture.architectural_structure_owner, location.jp_prefecture, music.composition, basketball.basketball_position, cricket.cricket_bowler, music.group_member, architecture.venue, business.defunct_company, travel.accommodation, film.production_company, royalty.noble_person, award.award_discipline, tv.tv_series_season, sports.sports_league_season, cricket.cricket_player, military.armed_force, amusement_parks.ride, boats.ship_class, government.political_party, geography.river, medicine.disease, tv.tv_character, location.citytown, olympics.olympic_event_competition, tv.tv_genre, chemistry.chemical_element, ice_hockey.hockey_team, american_football.football_coach, location.country, tv.tv_producer, award.recurring_competition, astronomy.orbital_relationship, basketball.basketball_team, broadcast.broadcast, royalty.chivalric_order_member, film.film_distributor, organization.organization, medicine.muscle, aviation.aircraft_owner, award.award_ceremony, sports.pro_athlete, soccer.football_team, medicine.anatomical_structure, soccer.football_league, soccer.football_position, tv.tv_writer, tv.tv_personality, broadcast.tv_station, law.court, tennis.tennis_tournament_champion, tv.tv_network, language.human_language, biology.organism_classification, tennis.tennis_player, music.musical_scale, business.industry, education.university, government.politician, location.hud_county_place, government.election_campaign, sports.sport, computer.operating_system, chemistry.chemical_compound, music.composer, business.brand, royalty.monarch, religion.religion, protected_sites.listed_site, location.uk_constituent_country, boats.ship_type, cvg.cvg_developer, astronomy.star_system_body, award.award_presenting_organization, boats.ship, basketball.basketball_player, book.periodical_publisher, spaceflight.astronaut, martial_arts.martial_artist, tv.tv_director, medicine.medical_treatment, computer.software_license, cricket.cricket_team, music.music_video_director, food.food, time.event, government.u_s_congressperson, interests.collection_category, military.rank, organization.membership_organization, visual_art.visual_artist, tv.tv_actor, sports.sports_championship_event, fictional_universe.fictional_character, architecture.building, cvg.cvg_genre, organization.non_profit_organization, sports.golfer, music.record_label, music.lyricist, education.fraternity_sorority, meteorology.tropical_cyclone, film.film, sports.sports_league_draft, business.consumer_company, sports.sports_award_type, theater.theater_actor, business.product_category, education.field_of_study, soccer.football_world_cup, baseball.baseball_league, american_football.football_conference, education.school, baseball.baseball_player, education.athletics_brand, law.legal_case, tv.tv_program_creator, cricket.cricket_stadium, aviation.aircraft_model, business.consumer_product, government.legislative_session, medicine.drug_ingredient, sports.boxer, astronomy.astronomical_discovery, broadcast.tv_channel, automotive.model, aviation.airline, broadcast.radio_format, location.in_district, government.government_agency, government.governmental_body, computer.computer, geography.mountain, fictional_universe.fictional_organization, baseball.baseball_position, music.musical_group, royalty.noble_title, location.capital_of_administrative_division, automotive.company, book.written_work, finance.currency, award.competition, media_common.media_genre, business.customer, basketball.basketball_conference, film.producer, american_football.football_player, broadcast.genre, astronomy.asteroid, book.book, award.hall_of_fame_inductee, tv.tv_series_episode, people.person, transportation.road, sports.sports_award_winner, geography.island, biology.organism, film.director, astronomy.celestial_object, location.australian_state, computer.software, law.invention, broadcast.artist, music.artist, theater.play, business.business_operation, time.recurring_event, book.periodical_subject, comic_books.comic_book_character, film.film_festival_focus, book.newspaper, meteorology.tropical_cyclone_season, architecture.structure, aviation.airport, film.writer, metropolitan_transit.transit_stop, location.uk_statistical_location, biology.animal, soccer.football_player, music.album, chess.chess_player, award.award_category, sports.cyclist, exhibitions.exhibition_sponsor, music.writer, tv.tv_program, film.film_character, basketball.basketball_coach, music.instrument, people.family_member, film.music_contributor, military.military_person, ice_hockey.hockey_position, soccer.football_team_manager, olympics.olympic_games, music.genre, metropolitan_transit.transit_line, metropolitan_transit.transit_system, sports.sports_facility, ice_hockey.hockey_player, internet.website, cvg.cvg_publisher, soccer.football_award, government.election, cvg.cvg_platform, baseball.baseball_team, geography.body_of_water, location.administrative_division, broadcast.radio_station, astronomy.constellation, sports.tournament_event_competition, royalty.kingdom, music.media_format, military.military_unit, internet.website_owner, amusement_parks.park. Output just the chosen type(s) (comma-separate multiple values) inside the list of {"answer": ["ANSWER"]}.

{"answer": ["award.award_category"]}