Table:
Position
Officer[1]
current officers
superseded by
Royal Household[2]

1
Lord High Steward
vacant
Justiciar
Lord Steward

2
Lord High Chancellor
The Rt Hon Chris Grayling, MP

3
Lord High Treasurer
in commission

4
Lord President of the Council
The Rt Hon Nick Clegg, MP

5
Lord Privy Seal
The Rt Hon Andrew Lansley, CBE, MP

6
Lord Great Chamberlain
The Marquess of Cholmondeley
Lord High Treasurer
Lord Chamberlain

7
Lord High Constable
vacant
Earl Marshal

Master of the Horse

8
Earl Marshal
The Duke of Norfolk

9
Lord High Admiral
HRH The Duke of Edinburgh

This image shows a table consists of serveral rows and columns. Please return the contents in the following rows or columns:
the 4th column
the 4th row

Requirements: Output the cell values in each row or column as JSON in the format {"row_id/column_id":"<row or column index>", "cell_list":"<a list of cells in this row/column>"}, e.g., {"column_id":"3", "cell_list": ["123.89", "News gathering", "selected tools"]}.

The cell values of target rows or columns are as follows:
For the 4th column: {"column_id": "4", "cell_list": ['superseded by', 'Justiciar', '', '', '', '', 'Lord High Treasurer', 'Earl Marshal', '', '']}
For the 4th row: {"row_id": "4", "cell_list": ['3', 'Lord High Treasurer', 'in commission', '', '']}