Table:
Number of laundry hampers	Number of pairs of shorts

1	5

2	10

3	15

4	20

5	25

6	?

Considerding the provided table image, extract the cells' values in the following postions:
the 5th row and the 1st column,
the 5th row and the 2nd column,
the 2nd row and the 1st column,
the 1st row and the 1st column,
the 7th row and the 1st column,

Format each cell value as a JSON, using the structure {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The extracted cell contents are listed below.
{"row_id":"5", "column_id":"1", "cell_value":"4"}
{"row_id":"5", "column_id":"2", "cell_value":"20"}
{"row_id":"2", "column_id":"1", "cell_value":"1"}
{"row_id":"1", "column_id":"1", "cell_value":"Number of laundry hampers"}
{"row_id":"7", "column_id":"1", "cell_value":"6"}