Table:
Company	Wednesday	Thursday

Computer Data Company	$17	$8

White and Company	$12	$4

Watson and Partners	$18	$2

Jonas Incorporated	$6	$4

Thompson Corporation	$9	$19

Considerding the provided table image, extract the cells' values in the following postions:
row 5 and column 1
row 4 and column 3
row 5 and column 2
row 7 and column 3
row 1 and column 1
row 3 and column 3
row 7 and column 2

The value of every target cell should be presented in the JSON format of {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}, e.g., {"row_id":"10", "column_id":"3", "cell_value":"District"}.

The extracted cell contents are listed below.
{"row_id":"5", "column_id":"1", "cell_value":"Watson and Partners"}
{"row_id":"4", "column_id":"3", "cell_value":"$4"}
{"row_id":"5", "column_id":"2", "cell_value":"$18"}
{"row_id":"7", "column_id":"3", "cell_value":"$19"}
{"row_id":"1", "column_id":"1", "cell_value":"Stock prices"}
{"row_id":"3", "column_id":"3", "cell_value":"$8"}
{"row_id":"7", "column_id":"2", "cell_value":"$9"}