list of world and olympic champions in greco-roman wrestling
1948-1968
Table:
Year
Team
52 kg
57 kg
62 kg (-1961), 63 kg (1962-1968)
67 kg (-1961), 70 kg (1962-1968)
73 kg (-1961), 78 kg (1962-1968)
79 kg (-1961), 87 kg (1962-1968)
87 kg (-1961), 97 kg (1962-1968)
Unlimited Weight

1948

Lombardi, Pietro (1/1)
Pettersen, Kurt (1/1)
Oktav, Mehmet (1/1)
Freij, Gustav (1/2)
Andersson, Gösta (1/1)
Grönberg, Axel (1/3)
Nilsson, Karl-Erik (1/1)
Kireççi, Ahmet (1/1)

1949
N/A
No Championships Held

1950

Johansson, Bengt (1/1)
Hassan, Ali Mahmoud (1/1)
Anderberg, Olle (1/2)
Gal, Jozsef (1/1)
Siimanainen, Matti (1/1)
Grönberg, Axel (2/3)
Candas, Muharrem (1/1)
Antonsson, Bertil (1/2)

1951
N/A
No Championships Held

1952

Gurevich, Boris Maksovich (1/3)
Hódos, Imre (1/1)
Punkin, Yakov (1/1)
Safin, Shazam (1/1)
Szilvásy, Miklós (1/1)
Grönberg, Axel (3/3)
Gröndahl, Kelpo (1/1)
Kotkas, Johannes (1/1)

1953

Gurevich, Boris Maksovich (2/3)
Teryan, Artem (1/1)
Anderberg, Olle (2/2)
Freij, Gustav (2/2)
Khatvoryan, Georgi (1/1)
Kartoziya, Givi (1/4)
Englas, August (1/1)
Antonsson, Bertil (2/2)

1954
N/A
No Championships Held

1955

Fabra, Ignazio (1/1)
Stashkevich, Vladimir (1/1)
Polyák, Imre (1/4)
Garmanik, Grigori (1/1)
Maneyev, Vladimir (1/1)
Kartoziya, Givi (2/4)
Nikolayev, Valentin (1/2)
Masur, Alexander (1/1)

1956

Solovyov, Nikolai (1/1)
Vyrupayev, Konstantin (1/1)
Mäkinen, Rauno (1/1)
Lehtonen, Kyösti (1/1)
Bayrak, Mithat (1/2)
Kartoziya, Givi (3/4)
Nikolayev, Valentin (2/2)
Parfenov, Anatoli (1/1)

1957
N/A
No Championships Held

1958

Gurevich, Boris Maksovich (3/3)
Karavayev, Oleg (1/3)
Polyák, Imre (2/4)
Dogan, Riza (1/1)
Ayvaz, Kazim (1/3)
Kartoziya, Givi (4/4)
Abakhidze, Rostom (1/3)
Bogdan, Ivan (1/3)

1959
N/A
No Championships Held

1960

Pârvulescu, Dumitru (1/1)
Karavayev, Oleg (2/3)
Sille, Müzahir (1/1)
Koridze, Avtandil (1/2)
Bayrak, Mithat (2/2)
Dobrev, Dimitar (1/1)
Kis, Tevfik (1/3)
Bogdan, Ivan (2/3)

1961

Sayadov, Armais (1/1)
Karavayev, Oleg (3/3)
Mustafa, Hamid Mansour (1/1)
Koridze, Avtandil (2/2)
Bularca, Valeriu (1/1)
Zenin, Vasili (1/1)
Gurics, György (1/1)
Bogdan, Ivan (3/3)

1962

Rybalko, Sergey (1/2)
Ichiguchi, Masamitsu (1/2)
Polyák, Imre (3/4)
Ayvaz, Kazim (2/3)
Kolesov, Anatoly (1/4)
Kis, Tevfik (2/3)
Abadchidze, Rostom (2/3)
Kozma, István (1/5)

1963

Vukov, Borivoje (1/1)
Varga, Janos (1/3)
Sapunov, Gennadi (1/2)
Horvat, Stevan (1/2)
Kolesov, Anatoly (2/4)
Kis, Tevfik (3/3)
Abadchidze, Rostom (3/3)
Roshin, Anatoly (1/4)

1964

Hanahara, Tsotumu (1/1)
Ichiguchi, Masamitsu (2/2)
Polyák, Imre (4/4)
Ayvaz, Kazim (3/3)
Kolesov, Anatoly (3/4)
Simić, Branislav (1/1)
Radev, Boyan (1/3)
Kozma, István (2/5)

1965

Rybalko, Sergey (2/2)
Cernea, Ion (1/1)
Grigoriev, Yury (1/1)
Sapunov, Gennadi (2/2)
Kolesov, Anatoly (4/4)
Bagdonas, Rimantes (1/1)
Anissimov, Valeri (1/1)
Shumakov, Nikolay (1/1)

1966

Keresov, Angel (1/1)
Stange, Fritz (1/1)
Rurua, Roman (1/5)
Horvat, Stevan (2/2)
Igumenov, Viktor (1/5)
Oleynik, Valentin (1/1)
Radev, Boyan (2/3)
Kozma, István (3/5)

1967

Bakulin, Vladimir (1/1)
Baciu, Ion (1/1)
Rurua, Roman (2/5)
Tapio, Eero (1/1)
Igumenov, Viktor (2/5)
Sillai, Laszlo (1/1)
Yakovenko, Nikolai (1/2)
Kozma, István (4/5)

1968

Kirov, Petar (1/5)
Varga, János (2/3)
Rurua, Roman (3/5)
Munemura, Muneji (1/1)
Vesper, Rudolf (1/1)
Metz, Lothar (1/1)
Radev, Boyan (3/3)
Kozma, István (5/5)

Considering the table from the Wikipedia page 'list of world and olympic champions in greco-roman wrestling' - "1948-1968" section on Wikipedia, determine the column type(s) that best describe the highlighted column given the following type options: education.university, geography.body_of_water, soccer.football_league_season, music.media_format, location.in_district, computer.operating_system, chess.chess_player, aviation.airline, law.invention, government.legislative_session, computer.software_license, music.instrument, award.hall_of_fame_inductee, theater.theater_actor, visual_art.visual_artist, time.event, soccer.football_league, location.capital_of_administrative_division, award.award_discipline, government.election, cvg.cvg_developer, metropolitan_transit.transit_line, aviation.aircraft_model, film.film_character, aviation.airport, music.performance_role, book.periodical, film.producer, chemistry.chemical_compound, sports.school_sports_team, basketball.basketball_coach, music.musical_scale, sports.sports_facility, government.us_president, baseball.baseball_position, business.consumer_company, film.film_genre, astronomy.celestial_object, business.product_category, film.film_distributor, location.australian_state, baseball.baseball_player, american_football.football_conference, location.uk_constituent_country, award.award_presenting_organization, cvg.cvg_genre, book.periodical_subject, architecture.structure, transportation.road, business.customer, astronomy.constellation, internet.website_owner, book.periodical_publisher, organization.organization, organization.membership_organization, location.location, sports.boxer, travel.accommodation, music.group_member, computer.software, aviation.aircraft_owner, medicine.anatomical_structure, tv.tv_genre, cricket.cricket_player, music.genre, music.producer, film.actor, film.writer, government.governmental_body, award.competition, basketball.basketball_team, film.film, exhibitions.exhibition_sponsor, metropolitan_transit.transit_system, government.politician, tv.tv_actor, film.production_company, sports.cyclist, fictional_universe.fictional_character, tennis.tennis_player, education.school, education.field_of_study, astronomy.orbital_relationship, book.book, music.composer, american_football.football_team, sports.sports_league_season, sports.sports_championship, tv.tv_producer, military.military_post, music.composition, education.athletics_brand, broadcast.broadcast, people.ethnicity, metropolitan_transit.transit_stop, medicine.medical_treatment, cricket.cricket_bowler, amusement_parks.park, tennis.tennis_tournament_champion, astronomy.star_system_body, soccer.football_world_cup, film.film_festival_focus, basketball.basketball_conference, internet.website, medicine.muscle, award.recurring_competition, location.citytown, film.music_contributor, royalty.monarch, soccer.football_team_manager, computer.computer, education.educational_degree, architecture.venue, baseball.baseball_league, broadcast.artist, tv.tv_director, sports.pro_athlete, law.legal_case, sports.sports_league_draft, medicine.disease, time.recurring_event, broadcast.genre, olympics.olympic_event_competition, protected_sites.listed_site, sports.tournament_event_competition, boats.ship_class, biology.organism_classification, broadcast.tv_station, location.hud_county_place, tv.tv_series_episode, ice_hockey.hockey_position, soccer.football_award, baseball.baseball_team, location.australian_local_government_area, sports.multi_event_tournament, tv.tv_writer, architecture.building, book.written_work, sports.sports_league, biology.animal, broadcast.radio_station, geography.river, sports.professional_sports_team, organization.non_profit_organization, tv.tv_program, comic_books.comic_book_character, olympics.olympic_games, military.military_conflict, medicine.drug, location.region, location.country, royalty.noble_title, ice_hockey.hockey_player, language.human_language, religion.religious_leader, book.magazine, business.business_operation, astronomy.astronomical_discovery, cvg.computer_videogame, biology.organism, sports.sports_award_winner, music.lyricist, government.general_election, martial_arts.martial_artist, boats.ship, soccer.football_position, sports.golfer, meteorology.tropical_cyclone_season, government.election_campaign, military.military_person, business.brand, government.political_party, music.record_label, music.musical_group, finance.currency, automotive.company, location.administrative_division, cricket.cricket_stadium, royalty.chivalric_order_member, award.award_category, film.director, tennis.tennis_tournament, business.industry, book.newspaper, american_football.football_coach, military.military_unit, celebrities.celebrity, cvg.cvg_platform, basketball.basketball_player, location.us_state, education.educational_institution, boats.ship_type, location.us_county, ice_hockey.hockey_team, sports.sport, interests.collection_category, amusement_parks.ride, sports.sports_position, award.award_ceremony, military.rank, geography.mountain, cvg.cvg_publisher, tv.tv_series_season, music.writer, tv.tv_program_creator, location.in_state, royalty.noble_person, architecture.architectural_structure_owner, business.consumer_product, soccer.football_player, award.award, soccer.fifa, royalty.kingdom, government.u_s_congressperson, music.album, religion.religion, music.music_video_director, broadcast.tv_channel, law.court, tv.tv_network, theater.play, government.government_office_or_title, military.armed_force, book.author, geography.island, sports.sports_championship_event, broadcast.radio_format, location.jp_prefecture, business.defunct_company, education.fraternity_sorority, people.person, tv.tv_character, fictional_universe.fictional_organization, cricket.cricket_team, food.food, sports.sports_team, american_football.football_player, tv.tv_personality, basketball.basketball_position, media_common.media_genre, medicine.drug_ingredient, people.family_member, automotive.model, music.artist, astronomy.asteroid, rail.locomotive_class, location.uk_statistical_location, chemistry.chemical_element, meteorology.tropical_cyclone, government.government_agency, soccer.football_team, spaceflight.astronaut, business.job_title, sports.sports_award_type, location.province. Give your final answer with the correct type(s), comma-separated if there are multiple, in the list of the following object {"answer": ["ANSWER"]}.

{"answer": ["sports.pro_athlete", "people.person"]}