Table:
South Australian state election, 2014: Hammond[1]

Party

Candidate

Votes

%

±%

Liberal

Adrian Pederick

11,469

55.1

−6.7

Labor

Lou Bailey

5,314

25.5

+2.5

Family First

Daniel Gutteridge

1,654

7.9

+0.8

Greens

Damien Pyne

1,458

7.0

−1.0

National

Rachel Titley

912

4.4

+4.4

Total formal votes

20,807

96.8

+0.0

Informal votes

697

3.2

−0.0

Turnout

21,504

92.1

−0.7

Two-party-preferred result

Liberal

Adrian Pederick

13,444

64.6

−3.1

Labor

Lou Bailey

7,363

35.4

+3.1

Liberal hold

Swing
−3.1

Examine the given table and identify the contents of cells located at specified locations, denoted by row and column indices. 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>"}.
Specified positions:
the 8th row and the 2nd column
the 12th row and the 4th column
the 4th row and the 1st column
the 10th row and the 3rd column
the 12th row and the 2nd column
the 8th row and the 5th column
the 5th row and the 1st column
the 5th row and the 5th column

The extracted cell contents are listed below.
{"row_id":"8", "column_id":"2", "cell_value":"Informal votes"}
{"row_id":"12", "column_id":"4", "cell_value":"−3.1"}
{"row_id":"4", "column_id":"1", "cell_value":"Family First"}
{"row_id":"10", "column_id":"3", "cell_value":"13,444"}
{"row_id":"12", "column_id":"2", "cell_value":"Liberal hold"}
{"row_id":"8", "column_id":"5", "cell_value":"−0.0"}
{"row_id":"5", "column_id":"1", "cell_value":"Greens"}
{"row_id":"5", "column_id":"5", "cell_value":"−1.0"}