Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Kōhaku # | Date | Red Team Host | White Team Host | Mediator | Winning Team |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 3 January 1951 | Michiko Katō | Shuuichi Fujikura | Masaharu Tanabe | White |
| 2.0 | 3 January 1952 | Kiyoko Tange | Shuuichi Fujikura | Masaharu Tanabe | White |
| 3.0 | 2 January 1953 | Suga Honda | Teru Miyata | Masayori Shimura | White |
| 4.0 | 31 December 1953 | Takiko Mizunoe | Keizo Takahashi | Seigoro Kitade | Red |
| 5.0 | 31 December 1954 | Natsue Fukuji | Keizo Takahashi | Shōzaburō Ishii | Red |
| 6.0 | 31 December 1955 | Teru Miyata | Keizo Takahashi | Shōzaburō Ishii | Red |
| 7.0 | 31 December 1956 | Teru Miyata | Keizo Takahashi | Shōzaburō Ishii | White |
| 8.0 | 31 December 1957 | Takiko Mizunoe | Keizo Takahashi | Shōzaburō Ishii | Red |
| 9.0 | 31 December 1958 | Tetsuko Kuroyanagi | Keizo Takahashi | Shōzaburō Ishii | Red |
| 10.0 | 31 December 1959 | Meiko Nakamura | Keizo Takahashi | Shōzaburō Ishii | Red |
| 11.0 | 31 December 1960 | Meiko Nakamura | Keizo Takahashi | Shōzaburō Ishii | White |
| 12.0 | 31 December 1961 | Meiko Nakamura | Keizo Takahashi | Toshiaki Hosaka | White |
| 13.0 | 31 December 1962 | Mitsuko Mori | Teru Miyata | Shōzaburō Ishii | White |
| 14.0 | 31 December 1963 | Eri Chiemi | Teru Miyata | Shōzaburō Ishii | Red |
| 15.0 | 31 December 1964 | Eri Chiemi | Teru Miyata | Shōzaburō Ishii | White |
| 16.0 | 31 December 1965 | Michiko Hayashi | Teru Miyata | Shōzaburō Ishii | White |
| 17.0 | 31 December 1966 | Peggy Hayama | Teru Miyata | Shōzaburō Ishii | Red |
| 18.0 | 31 December 1967 | Yumiko Kokonoe | Teru Miyata | Shōzaburō Ishii | Red |
| 19.0 | 31 December 1968 | Kiyoko Suizenji | Kyu Sakamoto | Teru Miyata | White |
| 20.0 | 31 December 1969 | Yukari Ito | Kyu Sakamoto | Teru Miyata | Red |
| 21.0 | 31 December 1970 | Hibari Misora | Teru Miyata | Shizuo Yamakawa | Red |
| 22.0 | 31 December 1971 | Kiyoko Suizenji | Teru Miyata | Shizuo Yamakawa | White |
| 23.0 | 31 December 1972 | Naomi Sagara | Teru Miyata | Shizuo Yamakawa | Red |
| 24.0 | 31 December 1973 | Kiyoko Suizenji | Teru Miyata | Shizuo Yamakawa | Red |
| 25.0 | 31 December 1974 | Naomi Sagara | Shizuo Yamakawa | Masao Domon & Yōzō Nakae | Red |
| 26.0 | 31 December 1975 | Naomi Sagara | Shizuo Yamakawa | Hiroshi Aikawa | White |
| 27.0 | 31 December 1976 | Naomi Sagara | Shizuo Yamakawa | Hiroshi Aikawa | Red |
| 28.0 | 31 December 1977 | Naomi Sagara | Shizuo Yamakawa | Hiroshi Aikawa | White |
| 29.0 | 31 December 1978 | Mitsuko Mori | Shizuo Yamakawa | Hiroshi Aikawa | White |
| 30.0 | 31 December 1979 | Kiyoko Suizenji | Shizuo Yamakawa | Yōzō Nakae | Red |
| 31.0 | 31 December 1980 | Tetsuko Kuroyanagi | Shizuo Yamakawa | Yōzō Nakae | Red |
| 32.0 | 31 December 1981 | Tetsuko Kuroyanagi | Shizuo Yamakawa | Keiichi Ubukata | White |
| 33.0 | 31 December 1982 | Tetsuko Kuroyanagi | Shizuo Yamakawa | Keiichi Ubukata | Red |
| 34.0 | 31 December 1983 | Tetsuko Kuroyanagi | Kenji Suzuki | Tamori | White |
| 35.0 | 31 December 1984 | Mitsuko Mori | Kenji Suzuki | Keiichi Ubukata | Red |
| 36.0 | 31 December 1985 | Masako Mori | Kenji Suzuki | Masaho Senda | Red |
| 37.0 | 31 December 1986 | Yuki Saito & Yoriko Mekata | Yūzō Kayama & Masaho Senda | Seiichi Yoshikawa | White |
| 38.0 | 31 December 1987 | Akiko Wada | Yūzō Kayama | Seiichi Yoshikawa | Red |
| 39.0 | 31 December 1988 | Akiko Wada | Yūzō Kayama | Keiko Sugiura | White |
| 40.0 | 31 December 1989 | Yoshiko Mita | Tetsuya Takeda | Sadatomo Matsudaira | Red |
| 41.0 | 31 December 1990 | Yoshiko Mita | Toshiyuki Nishida | Sadatomo Matsudaira | White |
| 42.0 | 31 December 1991 | Yūko Ayano | Masaaki Sakai | Shizuo Yamakawa | Red |
| 43.0 | 31 December 1992 | Hikari Ishida | Masaaki Sakai | Shizuo Yamakawa | White |
| 44.0 | 31 December 1993 | Hikari Ishida | Masaaki Sakai | Miyuki Morita | White |
| 45.0 | 31 December 1994 | Emiko Kaminuma | Ichiro Furutachi | Yasuo Miyakawa | Red |
| 46.0 | 31 December 1995 | Emiko Kaminuma | Ichiro Furutachi | Ryūji Miyamoto & Mitsuyo Kusano | White |
| 47.0 | 31 December 1996 | Takako Matsu | Ichiro Furutachi | Ryūji Miyamoto & Mitsuyo Kusano | White |
| 48.0 | 31 December 1997 | Akiko Wada | Masahiro Nakai | Ryūji Miyamoto | White |
| 49.0 | 31 December 1998 | Junko Kubo | Masahiro Nakai | Ryūji Miyamoto | Red |
| 50.0 | 31 December 1999 | Junko Kubo | Nakamura Kankurō V | Ryūji Miyamoto | White |
| 51.0 | 31 December 2000 | Junko Kubo | Motoya Izumi | Ryūji Miyamoto | Red |
| 52.0 | 31 December 2001 | Yumiko Udō | Wataru Abe | Tamio Miyake | White |
| 53.0 | 31 December 2002 | Yumiko Udō | Wataru Abe | Tamio Miyake | Red |
| 54.0 | 31 December 2003 | Yumiko Udō & Takako Zenba | Wataru Abe & Tetsuya Takayama | Tōko Takeuchi | White |
| 55.0 | 31 December 2004 | Fumie Ono | Wataru Abe | Masaaki Horio | Red |
| 57.0 | 31 December 2006 | Yukie Nakama | Masahiro Nakai | Tamio Miyake & Megumi Kurosaki | White |
| 58.0 | 31 December 2007 | Masahiro Nakai** | Tsurube Shōfukutei | Kazuya Matsumoto & Miki Sumiyoshi | White |
| 59.0 | 31 December 2008 | Yukie Nakama | Masahiro Nakai | Kazuya Matsumoto | White |
| 60.0 | 31 December 2009 | Yukie Nakama | Masahiro Nakai | Wataru Abe | White |
| 61.0 | 31 December 2010 | Nao Matsushita | Arashi | Wataru Abe | White |
| 62.0 | 31 December 2011 | Mao Inoue | Arashi | Wataru Abe | Red |
Question:
On what date was Keiichi Ubukata the mediator and Mitsuko Mori the red team host?
Answer:
31 December 1984