Table:
Number of cages	Number of ferrets

1	5

2	10

3	15

4	?

What are the cells' values in these rows of the table? Represent the cells in a row with the JSON format {"row_id":"<row index>", "cell_list":"<a list of cells in this row>"}. For instance, {"row_id":"5", "cell_list": ["152", "UN", "one last kiss"]}.
the 5th row
the 3rd row

The cell values of target rows are as follows:
For the 5th row: {"row_id": "5", "cell_list": ['4', '?']}
For the 3rd row: {"row_id": "3", "cell_list": ['2', '10']}