Task: Data-Imputation (source dataset: WebTable)

Please fill in the missing value in the input table. The missing value is denoted by '[MISSING]'. Please only return the value filled in. Do not return the whole table.

No explanation, return the value filled in JSON format: {"value": "filled_value"}. 

Input Table:
| Effects                                                   | Explosive yield / Height of Burst(1 kT / 200 m)   |   Explosive yield / Height of Burst(20 kT / 540 m) |   Explosive yield / Height of Burst(1 MT / 2.0 km) |   Explosive yield / Height of Burst(20 MT / 5.4 km) |
|:----------------------------------------------------------|:--------------------------------------------------|---------------------------------------------------:|---------------------------------------------------:|----------------------------------------------------:|
| Urban areas almost completely levelled (20 PSI)           | [MISSING]                                         |                                                0.6 |                                                2.4 |                                                 6.4 |
| Destruction of most civilian buildings (5 PSI)            | 0.6                                               |                                                1.7 |                                                6.2 |                                                17   |
| Moderate damage to civilian buildings (1 PSI)             | 1.7                                               |                                                4.7 |                                               17   |                                                47   |
| Railway cars thrown from tracks and crushed (0.63 kg/cm2) | nan                                               |                                                1   |                                              nan   |                                               nan   |
| Conflagration                                             | 0.5                                               |                                                2   |                                               10   |                                                30   |
| Third degree burns                                        | 0.6                                               |                                                2.5 |                                               12   |                                                38   |
| Second degree burns                                       | 0.8                                               |                                                3.2 |                                               15   |                                                44   |
| First degree burns                                        | 1.1                                               |                                                4.2 |                                               19   |                                                53   |
| Lethal2 total dose (neutrons and gamma rays)              | 0.8                                               |                                                1.4 |                                                2.3 |                                                 4.7 |
| Total dose for acute radiation syndrome2                  | 1.2                                               |                                                1.8 |                                                2.9 |                                                 5.4 |



row_idx: 0
col_idx: 1
col_name: Explosive yield / Height of Burst(1 kT / 200 m)
label: 0.2