Table:
Joseph Marie Jacquard

Born	7 July 1752 (1752-07-07)

Lyon, Kingdom of France

Died	7 August 1834(1834-08-07) (aged 82)

Oullins, Rhône, Kingdom of France

Nationality	French
Education	Worked as apprentice and learned bookbinding
Occupation(s)	Merchant, weaver, inventor
Known for	Programmable loom

Tell me how many rows and columns exist in the given table. Provide the final answer in the JSON structure, using the format {"row_number": "m", "column_number": "n"}.

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