Table:
Jun-ichi Nishizawa
西澤 潤一

Born	September 12, 1926

Sendai, Miyagi Prefecture, Japan

Died	October 21, 2018(2018-10-21) (aged 92)

Sendai, Miyagi Prefecture, Japan

Nationality	Japan
Alma mater	Tohoku University
Awards	IEEE Edison Medal (2000)
Order of Culture
Scientific career
Institutions	Tohoku University
Iwate Prefectural University
Tokyo Metropolitan University
Sophia University

Tell me how many rows and columns exist in the given table. Output the final answer in the JSON format {"row_number": "m", "column_number": "n"}. For instance, if the table has 5 rows and 4 columns, the answer would be {"row_number": "5", "column_number": "4"}

This table has 7 rows and 2 columns. Thus, the final answer is {"row_number": "7", "column_number": "2"}.