Table:
Year
Competition
Venue
Position
Event
Notes

Representing South Africa

2000

World Junior Championships

Santiago, Chile

1st

Discus throw

59.51 m

2003

All-Africa Games

Abuja, Nigeria

5th

Shot put

17.76 m

2nd

Discus throw

62.86 m

2004

African Championships

Brazzaville, Republic of the Congo

2nd

Discus throw

63.50 m

Olympic Games

Athens, Greece

8th

Discus throw

62.58 m

2006

Commonwealth Games

Melbourne, Australia

7th

Shot put

18.44 m

4th

Discus throw

60.99 m

2007

All-Africa Games

Algiers, Algeria

3rd

Discus throw

57.79 m

2008

African Championships

Addis Ababa, Ethiopia

2nd

Discus throw

56.98 m

Inspect the given table and provide the values of cells found at the specified positions, determined by row and column indices. Output each cell content as JSON in the format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.
Positions:
row 8 and column 6,
row 2 and column 1,
row 1 and column 2,
row 8 and column 4,
row 2 and column 3,
row 3 and column 6,
row 3 and column 4,

The target cell values are as follows:
{"row_id":"8", "column_id":"6", "cell_value":"60.99 m"}
{"row_id":"2", "column_id":"1", "cell_value":"2000"}
{"row_id":"1", "column_id":"2", "cell_value":"Competition"}
{"row_id":"8", "column_id":"4", "cell_value":"4th"}
{"row_id":"2", "column_id":"3", "cell_value":"Santiago, Chile"}
{"row_id":"3", "column_id":"6", "cell_value":"17.76 m"}
{"row_id":"3", "column_id":"4", "cell_value":"5th"}