Table:
Principal cargo berths - Port of Cirebon

Berth

Quay length
(m)

Depth at LWS
(m)

Capacity
(ton/m²)

Muarajati I
275
7.0
3

Muarajati II
248
5.5
2

Muarajati III
80
7.0
3

Linggarjati I
131
4.5
2

Pelita I (Jetty)
30
4.5
1

Pelita II (Jetty)
51
4.5
1

Pelita III (Jetty)
30
4.5
1

Considerding the provided table image, extract the cells' values in the following postions:
the 7th row and the 1st column
the 8th row and the 4th column
the 1st row and the 4th column

Show the cell value in the JSON format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The target cell values are as follows:
{"row_id":"7", "column_id":"1", "cell_value":"Pelita II (Jetty)"}
{"row_id":"8", "column_id":"4", "cell_value":"1"}
{"row_id":"1", "column_id":"4", "cell_value":"Capacity (ton/m²)"}