Table:
Year

Film

Role

Notes

1999

The Trench

Pte. Billy Macfarlane

1999

The Clandestine Marriage

Richard Lovewell

2000

Self Help

Greene

Short Film

2001

Goodbye Charlie Bright

Charlie Bright

2002

High Speed

Ruben

Also known as The Ride and Joy-Rider

2004

If Only

Ian Wyndham

2004

Bridget Jones: The Edge of Reason

Jed

2008

Daylight Robbery

Chubby

2008

Faintheart

Gary

2012

Life Just Is

Bobby

2013

A Long Way From Home

Mark

2018

Genesis

Shane Frost

Analyze the provided table and extract the contents of cells located at the specified positions, identified by row and column indices. Output each cell content as JSON in the format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.
Positions:
the 4th row and the 3rd column,
the 3rd row and the 3rd column,
the 9th row and the 4th column,
the 2nd row and the 3rd column,
the 5th row and the 4th column,
the 13th row and the 3rd column,
the 7th row and the 4th column,

The extracted cell contents are listed below.
{"row_id":"4", "column_id":"3", "cell_value":"Greene"}
{"row_id":"3", "column_id":"3", "cell_value":"Richard Lovewell"}
{"row_id":"9", "column_id":"4", "cell_value":"-"}
{"row_id":"2", "column_id":"3", "cell_value":"Pte. Billy Macfarlane"}
{"row_id":"5", "column_id":"4", "cell_value":"-"}
{"row_id":"13", "column_id":"3", "cell_value":"Shane Frost"}
{"row_id":"7", "column_id":"4", "cell_value":"-"}