Table:
2019	2018	2017

£000	£000	£000

Audit fees	1,092	823	789

Non-audit fees	598	281	49

Total fees paid to auditor	1,690	1,104	838

Ratio of non-audit fees to audit fees	55%	34%	6%

Retrieve the values of cells at the given table positions, indicated 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 to check:
row 3 and column 2,
row 2 and column 4,

The target cell values are as follows:
{"row_id":"3", "column_id":"2", "cell_value":"1,092"}
{"row_id":"2", "column_id":"4", "cell_value":"£000"}