Table:
2015
2016
2017

kilograms

production
9,659
35,912
80,535

sales
8,446
26,716
46,186

inventories
17,985
18,087
38,927

Could you calculate the row number and column number in this table? Output the final answer in the JSON format {"row_number": "m", "column_number": "n"}. For instance, if the table has 5 rows and 4 columns, the answer would be {"row_number": "5", "column_number": "4"}

This table has 5 rows and 4 columns. Thus, the final answer is {"row_number": "5", "column_number": "4"}.