Table:
Rank	Nation	Gold	Silver	Bronze	Total
1	Russia (RUS)	4	1	1	6
2	United States (USA)	0	1	1	2
3	China (CHN)	0	1	0	1
France (FRA)	0	1	0	1
5	Canada (CAN)	0	0	1	1
Poland (POL)	0	0	1	1
Totals (6 entries)	4	4	4	12

Based on the provided table, please extract the cells' values located at the specified positions, as denoted by row and column indices. 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"}.
Positions:
row 1 and column 4
row 3 and column 4
row 5 and column 4
row 6 and column 4
row 3 and column 5
row 6 and column 3

The extracted cell contents are listed below.
{"row_id":"1", "column_id":"4", "cell_value":"silver"}
{"row_id":"3", "column_id":"4", "cell_value":"1"}
{"row_id":"5", "column_id":"4", "cell_value":"1"}
{"row_id":"6", "column_id":"4", "cell_value":"0"}
{"row_id":"3", "column_id":"5", "cell_value":"1"}
{"row_id":"6", "column_id":"3", "cell_value":"0"}