Table:
Country

Amphibians

Birds

Mammals

Reptile

Total terrestrial vertebrates

Vascular plants

Biodiversity

Belize

46[10]

544[10]

147[10]

140[10]

877[10]

2894[10]

3771[10]

Costa Rica

183[11]

838[11]

232[11]

258[11]

1511[11]

12119[11]

13630[11]

El Salvador

30[12]

434[12]

137[12]

106[12]

707[12]

2911[12]

3618[12]

Guatemala

133[13]

684[13]

193[13]

236[13]

1246[13]

8681[13]

9927[13]

Honduras

101[14]

699[14]

201[14]

213[14]

1214[14]

5680[14]

6894[14]

Nicaragua

61[15]

632[15]

181[15]

178[15]

1052[15]

7590[15]

8642[15]

Panama

182[16]

904[16]

241[16]

242[16]

1569[16]

9915[16]

11484[16]

There is a cell located in the 2nd row and the 4th column in this table, identify this cell and report its content. Format the cell value as a JSON, using the structure {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The target cell value in the 2nd row and the 4th column is {"row_id":"2", "column_id":"4", "cell_value":"147"}.