Table:
Stories written	Frequency

1	4

2	15

3	2

4	11

5	18

row 4,
row 6,
Extract the contents of cells in the above rows, identified by row indices. 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 extracted row contents are listed below.
For row 4: {"row_id": "4", "cell_list": ['2', '15']}
For row 6: {"row_id": "6", "cell_list": ['4', '11']}