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:
| Nationality    | Salyut(1)(Trips)   | Salyut(6)(Fliers)   | Salyut(7)(Trips)   | Salyut(7)(Fliers)   |   Salyut(Total)(Trips) |   Salyut(Total)(Fliers) |   Remarks | Salyut(1)(Fliers)   | Salyut(3)(Trips)   | Salyut(3)(Fliers)   | Salyut(4)(Trips)   | Salyut(4)(Fliers)   | Salyut(5)(Trips)   | Salyut(5)(Fliers)   | Salyut(6)(Trips)   |
|:---------------|:-------------------|:--------------------|:-------------------|:--------------------|-----------------------:|------------------------:|----------:|:--------------------|:-------------------|:--------------------|:-------------------|:--------------------|:-------------------|:--------------------|:-------------------|
| Soviet Union   | 3                  | 20                  | 24                 | 19                  |                     61 |                      38 |       nan | 3                   | 2                  | 2                   | 4                  | 4                   | 4                  | 4                   | 26                 |
| Cuba           | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| Czechoslovakia | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| East Germany   | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| France         | -                  | -                   | 1                  | 1                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | -                  |
| Hungary        | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| India          | -                  | -                   | 1                  | 1                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | -                  |
| Mongolia       | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| [MISSING]      | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| Romania        | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| Vietnam        | -                  | 1                   | -                  | -                   |                      1 |                       1 |       nan | -                   | -                  | -                   | -                  | -                   | -                  | -                   | 1                  |
| Total          | 3                  | 28                  | 26                 | 21                  |                     71 |                      48 |       nan | 3                   | 2                  | 2                   | 4                  | 4                   | 4                  | 4                   | 34                 |



row_idx: 8
col_idx: 0
col_name: Nationality
label: Poland