Table:
Year	Weight (kg)

2010	39

2011	19

2012	14

2013	40

2014	42

the 3rd row,
the 1st column,
the 7th row,
the 2nd row,
the 6th row,
Extract the contents of cells in the above rows or columns, identified by row or column indices. Show the cells in each row or column in the JSON format {"row_id/column_id":"<row or column index>", "cell_list":"<a list of cells in this row/column>"}. For example, {"row_id":"3", "cell_list": ["A", "B", "C"]}.

The extracted row or column contents are listed below.
For the 3rd row: {"row_id": "3", "cell_list": ['2010', '39']}
For the 1st column: {"column_id": "1", "cell_list": ['Weight of winning dog at a dog show', 'Year', '2010', '2011', '2012', '2013', '2014']}
For the 7th row: {"row_id": "7", "cell_list": ['2014', '42']}
For the 2nd row: {"row_id": "2", "cell_list": ['Year', 'Weight (kg)']}
For the 6th row: {"row_id": "6", "cell_list": ['2013', '40']}