Table:
Club	Played	Won	Drawn	Lost	Points For	Points Against	Points Difference	Tries For	Tries Against	Try Bonus	Losing Bonus	Points

1	Saracens (RU)	22	19	0	3	629	353	276	68	39	10	1	87

2	Northampton Saints (CH)	22	16	2	4	604	350	254	72	31	7	3	78

3	Leicester Tigers (SF)	22	15	2	5	542	430	112	59	41	7	3	74

4	Harlequins (SF)	22	15	0	7	437	365	72	43	33	4	3	67

5	Bath	22	14	2	6	495	388	107	48	38	4	3	67

6	Sale Sharks	22	12	0	10	432	399	33	46	40	3	6	57

7	London Wasps	22	9	0	13	451	533	-82	48	56	4	9	49

8	Exeter Chiefs	22	9	0	13	426	480	-54	40	51	2	7	45

9	Gloucester	22	8	0	14	440	539	-99	46	60	4	8	44

10	London Irish	22	7	0	15	396	496	-100	40	49	2	6	36

11	Newcastle Falcons	22	3	0	19	281	544	-263	23	62	2	8	22

12	Worcester Warriors (R)	22	2	0	20	325	581	-256	31	64	1	7	16

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. 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"}.
Specified positions:
the 13th row and the 8th column,
the 4th row and the 8th column,
the 10th row and the 2nd column,
the 8th row and the 11th column,
the 4th row and the 10th column,
the 4th row and the 7th column,
the 5th row and the 3rd column,

The extracted cell contents are listed below.
{"row_id":"13", "column_id":"8", "cell_value":"581"}
{"row_id":"4", "column_id":"8", "cell_value":"430"}
{"row_id":"10", "column_id":"2", "cell_value":"Gloucester"}
{"row_id":"8", "column_id":"11", "cell_value":"56"}
{"row_id":"4", "column_id":"10", "cell_value":"59"}
{"row_id":"4", "column_id":"7", "cell_value":"542"}
{"row_id":"5", "column_id":"3", "cell_value":"22"}