Table:
Hiraga Gennai

平賀 源内

Born	1728
Died	January 24, 1780
Other names	Kyūkei (鳩渓), Fūrai Sanjin (風来山人), Tenjiku rōnin (天竺浪人) and Fukuchi Kigai (福内鬼外)
Education	student of Rangaku
Occupation(s)	physician, author, painter and inventor

How many rows and columns does this table have? The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

There are 7 rows and 2 columns in the table. So, the final answer is {"row_number": "7", "column_number": "2"}.