Table:
Malaysia Airlines Flight 370

9M-MRO, the aircraft that disappeared,
shown here on take-off in 2011

Disappearance
Date	8 March 2014 (2014-03-08); 10 years ago
Summary	Cause unknown, some debris found
Site	Southern Indian Ocean (presumed)
Aircraft
Aircraft type	Boeing 777-200ER
Operator	Malaysia Airlines
IATA flight No.	MH370
ICAO flight No.	MAS370
Call sign	MALAYSIAN 370
Registration	9M-MRO
Flight origin	Kuala Lumpur International Airport
Destination	Beijing Capital International Airport
Occupants	239
Passengers	227
Crew	12
Fatalities	239 (presumed)
Survivors	0 (presumed)

Provide the content of the cell located in row 4 and column 2 of this table. Return the cell value as JSON in the format {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The target cell value in row 4 and column 2 is {"row_id":"4", "column_id":"2", "cell_value":"Boeing 777-200ER"}.