Title: Tsutomu Seki
Content:  Tsutomu Seki (関 勉) is a Japanese astronomer and discoverer of minor planets and comets, born in Kōchi, Japan.
Title: Tomokazu Seki
Content:  Tomokazu Seki (関 智一) is a Japanese actor, voice actor, and singer. He has previously worked with Haikyō. He is honorary president of and affiliated with Atomic Monkey and the chairman of theater company HeroHero Q. He is a special lecturer at Japan Newart College.
Title: Tsutomu Seki
Content:  Tsutomu Seki is the Director of the Geisei Observatory in Kōchi, and in charge of the Comet Section of the Oriental Astronomical Association. Between 1961 and 1970, he had visually discovered six comets, including C/1965 S1 (Ikeya-Seki), the well known great comet of 1965. He has also discovered a large number of asteroids such as 13553 Masaakikoyama and, a near-Earth Amor asteroid and a Jupiter trojan, respectively. Many of his discoveries are named after famous sites in Kōchi, such as Harimaya-bashi, Ryōma (after Sakamoto Ryōma), Katsurahama beach, and Kagami-gawa.
Title: Takashi Seki
Content:  Seki was born in Ibaraki Prefecture on June 5, 1978. After graduating from Osaka University of Commerce, he joined J1 League club Tokyo Verdy in 2001. He debuted in April and played 3 matches in a row as forward after the debut. However he could only this 3 matches and retired end of 2001 season.
Title: Sunny Seki
Content:  Sunny Seki (born 1947) is a Japanese American professional author and international award-winning photographer based in Los Angeles, California. He was raised in Tokyo, Japan, before moving to the United States at age 24. He received his bachelor's degree in Photography from Nihon University and also attended Kuwasawa Academy of Design, and Pasadena's Art Center College of Design. He holds a Black Belt in the Japanese Martial Art of Aikido. Seki is a coordinator and writer of Japanese poetry called Senryu, and his poems are often featured in the Japanese newspaper called The Rafu Shimpo and Discover Nikkei. In 2007 he wrote Gardeners' Pioneer Story'', a compilation of gardeners' poems 
Title: Nobuhiro Seki
Content:  Nobuhiro Seki is a Japanese businessman and entrepreneur. Seki received a B.S. degree in engineering from the University of Tokyo and an MBA from Tepper School of Business at Carnegie Mellon University. He served as Executive Vice President and General Manager of Japan at Six Apart from December 2003 to January 2011. Seki is currently the President and CEO of Six Apart, a subsidiary of Infocom Corporation and the developer of Movable Type.
Title: Tokio Seki
Content:  Tokio Seki (関 時男) is a Japanese actor and voice actor from Tokyo Metropolis. He is a graduate of the art department of Nihon University and is affiliated with Serikawa Office. He was previously affiliated with Gekidan Subaru.
Title: Toshihiko Seki
Content:  Toshihiko Seki (関 俊彦) is a Japanese actor, voice actor, singer and narrator. In June 2004, Seki was honored by the readers of Animage Magazine in the 26th Annual Reader's Poll, where he was ranked the 9th favorite voice actor, largely in recognition of his performance as Rau Le Creuset from Mobile Suit Gundam SEED. In August 2007 the Anime News Network called him one of the more prolific male voice actors with 215 roles credited to his name. Seki often voices characters who are very serious or easily agitated like Duo Maxwell in Mobile Suit Gundam Wing, Iruka Umino in Naruto and Kaien Shiba in Bleach but he also plays deranged villains like Legato Bluesummers, Rau Le Creuset, Embryo and Muzan Kibutsuji. In August 2020, he contracted COVID-19 and was hospitalized. He recovered and was discharged on August 14, 2020.
Title: Fumihiko Sueki
Content:  Fumihiko Sueki (末木 文美士) is a Japanese academic and historian, and one of Japan's leading scholars of Japanese Buddhism. He is a professor at the International Research Center for Japanese Studies (国際日本文化研究センタ) in Kyoto. A member of the advisory board of Nanzan Institute for Religion and Culture's Japanese Journal of Religious Studies, he is also a contributor to the journal itself.
Title: Kōji Seki
Content:  Seki was born on September 20, 1911, near Kaminarimon in the Asakusa neighborhood of Tokyo, Japan. His father was in the construction business. After graduating from high school in 1930, Seki attended the Tokyo School of Fine Arts (merged into Tokyo University of the Arts in 1949), dropping out after one year. In 1937 he joined his father in working in the prop department of Ōizumi Films, a studio which was purchased by Toei Company in 1951. He eventually became Deputy Director for large props at the studio. He moved to Beijing where he worked with the North China Electric Co. before he was drafted into the army. Returning to Japan after the war, Seki joined Radio Film Company (ラジオ映画)). His career as a director began here, where he filmed children's television documentaries focusing on nature and animals. Seki's films of this time bore such titles as Animal Story (どうぶつ物語), The World of Little Monsters (小さな怪物の世界) and Japanese Aesop's Fables (ニッポン・イソップ物語).

Question: What is Tsutomu Seki's occupation?
Answer: astronomer.