Table:
Chic

Also known as	The Big Apple Band (1970–1976)
Origin	New York City, New York, United States
Genres	Disco, funk, R&B
Years active	1970–1983, 1990–1992, 1996–present
Labels	Buddah, Atlantic, Warner Bros., Sumthing Else, Virgin EMI
Associated acts	Sister Sledge, Diana Ross, David Bowie, Sheila B. Devotion, Debbie Harry, Duran Duran, Norma Jean Wright, Madonna, Sylver Logan Sharp, Luther Vandross, Carly Simon, The Honeydrippers, Johnny Mathis, The Power Station, Distance, Kool & the Gang, Al Jarreau

Inspect the given table and provide the values of cells found at the specified positions, determined by row and column indices. The value of every target cell should be presented in the JSON format of {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}, e.g., {"row_id":"10", "column_id":"3", "cell_value":"District"}.
Positions:
row 3 and column 1,
row 7 and column 2,
row 4 and column 2,
row 5 and column 2,
row 2 and column 1,
row 7 and column 1,

The extracted cell contents are listed below.
{"row_id":"3", "column_id":"1", "cell_value":"Origin"}
{"row_id":"7", "column_id":"2", "cell_value":"Sister Sledge, Diana Ross, David Bowie, Sheila B. Devotion, Debbie Harry, Duran Duran, Norma Jean Wright, Madonna, Sylver Logan Sharp, Luther Vandross, Carly Simon, The Honeydrippers, Johnny Mathis, The Power Station, Distance, Kool & the Gang, Al Jarreau"}
{"row_id":"4", "column_id":"2", "cell_value":"Disco, funk, R&B"}
{"row_id":"5", "column_id":"2", "cell_value":"1970–1983, 1990–1992, 1996–present"}
{"row_id":"2", "column_id":"1", "cell_value":"Also known as"}
{"row_id":"7", "column_id":"1", "cell_value":"Associated acts"}