Task: Data-Imputation (source dataset: tablib)

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:
| Roll          | x2            | x3            | x4            | x5            | x6                     | x7                     | x8                     | x9                     | x10                    |
|:--------------|:--------------|:--------------|:--------------|:--------------|:-----------------------|:-----------------------|:-----------------------|:-----------------------|:-----------------------|
| 1             | 2             | 3             | 4             | 5             | 6                      | 7                      | 8                      | 9                      | 10                     |
| 2             | 4             | 6             | 8             | 10            | 12                     | 14                     | 16                     | 18                     | 20                     |
| 3             | 6             | 9             | 12            | 15            | 18                     | 21                     | 24                     | 27                     | 30                     |
| 4             | 8             | 12            | 16            | 20            | 24                     | 28                     | 32                     | 36                     | 40                     |
| 5             | 10            | 15            | 20            | 25            | 30                     | 35                     | 40                     | 45                     | 50                     |
| 6             | 12            | 18            | 24            | 30            | 36                     | 42                     | 48                     | 54                     | 60                     |
| 7             | 14            | 21            | 28            | 35            | 42                     | 49                     | 56                     | 63                     | 70                     |
| 8             | 16            | 24            | 32            | 40            | 48                     | 56                     | 64                     | 72                     | 80                     |
| 9             | 18            | 27            | [MISSING]     | 45            | 54                     | 63                     | 72                     | 81                     | 90                     |
| 10            | 20            | 30            | 40            | 50            | 60                     | 70                     | 80                     | 90                     | 100                    |
| 11            | 22            | 33            | 44            | 55            | 66                     | 77                     | 88                     | 99                     | 110                    |
| 12            | 24            | 36            | 48            | 60            | 72                     | 84                     | 96                     | 108                    | 120                    |
| None          | None          | None          | None          | None          | None                   | None                   | None                   | None                   | None                   |
| 13            | 26            | 39            | 52            | 65            | 78                     | 91                     | 104                    | 117                    | 130                    |
| 14            | 28            | 42            | 56            | 70            | 84                     | 98                     | 112                    | 126                    | 140                    |
| 15            | 30            | 45            | 60            | 75            | 90                     | 105                    | 120                    | 135                    | 150                    |
| 16            | 32            | 48            | 64            | 80            | 96                     | 112                    | 128                    | 144                    | 160                    |
| 17            | 34            | 51            | 68            | 85            | 102                    | 119                    | 136                    | 153                    | 170                    |
| 18            | 36            | 54            | 72            | 90            | 108                    | 126                    | 144                    | 162                    | 180                    |
| 19            | 38            | 57            | 76            | 95            | 114                    | 133                    | 152                    | 171                    | 190                    |
| 20            | 40            | 60            | 80            | 100           | 120                    | 140                    | 160                    | 180                    | 200                    |
| 21            | 42            | 63            | 84            | 105           | 126                    | 147                    | 168                    | 189                    | 210                    |
| 22            | 44            | 66            | 88            | 110           | 132                    | 154                    | 176                    | 198                    | 220                    |
| 23            | 46            | 69            | 92            | 115           | 138                    | 161                    | 184                    | 207                    | 230                    |
| 24            | 48            | 72            | 96            | 120           | 144                    | 168                    | 192                    | 216                    | 240                    |
| 25            | 50            | 75            | 100           | 125           | 150                    | 175                    | 200                    | 225                    | 250                    |
| Difficulties  | Difficulties  | Difficulties  | Difficulties  | Difficulties  | Difficulties           | Difficulties           | Difficulties           | Difficulties           | Difficulties           |
| <10 Failure   | <10 Failure   | <10 Failure   | <10 Failure   | <10 Failure   | 50 Nigh-Impossible     | 50 Nigh-Impossible     | 50 Nigh-Impossible     | 50 Nigh-Impossible     | 50 Nigh-Impossible     |
| 10 Typical    | 10 Typical    | 10 Typical    | 10 Typical    | 10 Typical    | 80 Impossible          | 80 Impossible          | 80 Impossible          | 80 Impossible          | 80 Impossible          |
| 20 Tough      | 20 Tough      | 20 Tough      | 20 Tough      | 20 Tough      | 120 Beyond Impossible  | 120 Beyond Impossible  | 120 Beyond Impossible  | 120 Beyond Impossible  | 120 Beyond Impossible  |
| 30 Superhuman | 30 Superhuman | 30 Superhuman | 30 Superhuman | 30 Superhuman | 160 Beyond Belief      | 160 Beyond Belief      | 160 Beyond Belief      | 160 Beyond Belief      | 160 Beyond Belief      |
| 40 Epic       | 40 Epic       | 40 Epic       | 40 Epic       | 40 Epic       | 200 Beyond Imagination | 200 Beyond Imagination | 200 Beyond Imagination | 200 Beyond Imagination | 200 Beyond Imagination |



row_idx: 8
col_idx: 3
col_name: x4
label: 36
output: value: 36
tablib_key: tables/job=github_000005/batch=002383/kRqZtDLhWEI8hNDsVu68_S0HAqP_DnQi0xkAm1bu94Q=