Table:
Day	Number of balloons

Monday	10

Tuesday	6

Wednesday	5

Thursday	5

Friday	4

Saturday	6

This image shows a table. Return the contents of cells at the indicated positions in the table. Positions are identified by row and column indices. Provide the value of all target cells in the JSON structure, using the format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.
Specified positions:
row 6 and column 2
row 7 and column 2
row 1 and column 1

The extracted cell contents are listed below.
{"row_id":"6", "column_id":"2", "cell_value":"5"}
{"row_id":"7", "column_id":"2", "cell_value":"4"}
{"row_id":"1", "column_id":"1", "cell_value":"Balloons sold"}