Table:
Name	Minutes spent driving

Charlotte	920

Tracy	580

Gavin	860

Polly	900

Jacob	430

Kate	830

This image depicts a table. How many rows and columns does this table have? Provide the final answer in the JSON structure, using the format {"row_number": "m", "column_number": "n"}.

This table has 8 rows and 2 columns. Thus, the final answer is {"row_number": "8", "column_number": "2"}.