Table:
ERJ family
ERJ135 / ERJ140 / ERJ145
An American Eagle ERJ-145
Role	Twin-engine Regional airliner
National origin	Brazil
Manufacturer	Embraer
First flight	August 11, 1995
Introduction	April 6, 1997
Status	In service
Primary users	ExpressJet
Envoy Air
Trans States Airlines
Piedmont Airlines
Produced	1992–present
2003–2016 (China)
Number built	1,213 as of October 17, 2017
Program cost	US$300 Million (1995)
Unit cost

US$15 Million (1996)

Developed from	Embraer EMB 120 Brasilia
Variants	R-99 and P-99
Embraer Legacy 600

Return the values of the cells in the following table postions:
the 9th row and the 1st column,
the 8th row and the 2nd column,
the 5th row and the 2nd column,
the 3rd row and the 2nd column,
the 13th row and the 1st column,
the 6th row and the 1st column,
the 15th row and the 2nd column,
the 14th row and the 1st column,

Requirements: Provide the value of all target cells in the JSON structure, using the format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The extracted cell contents are listed below.
{"row_id":"9", "column_id":"1", "cell_value":"Primary users"}
{"row_id":"8", "column_id":"2", "cell_value":"In service"}
{"row_id":"5", "column_id":"2", "cell_value":"Embraer"}
{"row_id":"3", "column_id":"2", "cell_value":"Twin-engine Regional airliner"}
{"row_id":"13", "column_id":"1", "cell_value":"Unit cost"}
{"row_id":"6", "column_id":"1", "cell_value":"First flight"}
{"row_id":"15", "column_id":"2", "cell_value":"R-99 and P-99 Embraer Legacy 600"}
{"row_id":"14", "column_id":"1", "cell_value":"Developed from"}