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:
| Group   | Litter Number   |   GD0 weight |   GD18 weight | GD of Birth   |   Pups born alive |   Pups dead @ birth |   Pups survive |
|:--------|:----------------|-------------:|--------------:|:--------------|------------------:|--------------------:|---------------:|
| Con7    | #85             |         19.7 |          34.7 | [MISSING]     |                 3 |                   4 |              3 |
| Con7    | #1/2/95/2       |         27   |          42   | 19            |                 8 |                   0 |              7 |
| Con7    | #5/5/3/83/3-3   |         26   |          41.4 | 19            |                 6 |                   0 |              5 |
| Con7    | #5/4/2/95/2     |         28.5 |          44.1 | 19            |                 5 |                   1 |              4 |
| Con7    | #4/2/95/3-3     |        nan   |         nan   | 20            |                 6 |                   0 |              6 |
| Con7    | #2/2/95/3-2     |        nan   |         nan   | 20            |                 6 |                   0 |              4 |
| Con7    | #1/5/3/83/3-3/2 |        nan   |         nan   | 20            |                 9 |                   0 |              9 |
| Con8    | #3/83/3-3       |        nan   |         nan   | 20            |                 9 |                   1 |              8 |
| Con8    | #2/95/3         |        nan   |         nan   | 20            |                 8 |                   0 |              8 |
| Con8    | #3/5/2/2/95     |         28.5 |         nan   | 20            |                 8 |                   0 |              8 |
| Con8    | #5/4/3/83/3     |         28   |         nan   | 19            |                 9 |                   0 |              8 |
| Con8    | #1/6/2/2/95-2   |        nan   |         nan   | 20            |                 7 |                   0 |              6 |
| Con8    | #3/5/3/83/3-3-2 |        nan   |         nan   | 20            |                 8 |                   0 |              8 |
| Con8    | #2/2/95/2       |        nan   |         nan   | 19            |                 5 |                   0 |              4 |
| Con8    | #3/6/2/2/95-3   |        nan   |         nan   | 20            |                 7 |                   0 |              7 |
| Mod7    | #59             |         17   |          33.4 | 19            |                 8 |                   0 |              5 |
| Mod7    | #103            |         21.4 |          42.1 | 19            |                 9 |                   1 |              9 |
| Mod7    | #1/82/3-2       |        nan   |         nan   | 19            |                 6 |                   0 |              6 |
| Mod7    | #3/83/3-2       |        nan   |         nan   | 19            |                 8 |                   0 |              8 |
| Mod7    | #2/95/2-2       |        nan   |         nan   | 20            |                 7 |                   0 |              7 |
| Mod7    | #3/82/3-2       |         28   |          45.9 | 20            |                 5 |                   0 |              5 |
| Mod7    | #4/2/95/2       |         23.5 |         nan   | 19            |                 9 |                   0 |              7 |
| Mod7    | #5/3/83/5-2     |         22.6 |          37   | 19            |                 5 |                   0 |              5 |
| Mod7    | #8/110/3-2      |        nan   |         nan   | 20            |                 9 |                   0 |              9 |
| Mod7    | #106            |         21.7 |          37.8 | 20            |                 5 |                   0 |              2 |
| Mod7    | #94/2           |         24.4 |          42.9 | 19            |                 7 |                   1 |              3 |
| Mod7    | #62             |         19.5 |          35.9 | 19            |                 7 |                   2 |              4 |
| Low7    | #84/2           |         24.3 |          40.8 | 20            |                 8 |                   0 |              8 |
| Low7    | #107            |         22.6 |          42.4 | 20            |                 9 |                   0 |              8 |
| Low7    | #85/2           |         22.2 |          38.5 | 20            |                 8 |                   0 |              6 |
| Low7    | #98             |         23.8 |          43.8 | 20            |                 9 |                   0 |              9 |
| Low7    | #102            |         22.6 |          43.3 | 20            |                11 |                   0 |              7 |
| Low7    | #101            |         23.8 |          42.7 | 20            |                 9 |                   0 |              9 |
| Low7    | #111            |         25.5 |          44.6 | 20            |                 3 |                   2 |              3 |
| Low7    | #112            |         23.9 |          40.5 | 19            |                 6 |                   1 |              1 |
| Mod8    | #97             |         24.5 |          42.8 | 20            |                 8 |                   1 |              8 |
| Mod8    | #5/93           |        nan   |          41.1 | 20            |                11 |                   0 |              9 |
| Mod8    | #5/93/2         |        nan   |         nan   | 19            |                 8 |                   0 |              8 |
| Mod8    | #7/82-3-2       |         26.9 |          43.2 | 20            |                 7 |                   0 |              7 |
| Mod8    | #7/110/3-2      |         27.5 |          46   | 19            |                 8 |                   1 |              8 |
| Mod8    | #2/95/2         |         28.5 |          44.5 | 20            |                 9 |                   0 |              9 |
| Mod8    | #82/4           |         33.4 |          52.7 | 20            |                 8 |                   0 |              6 |
| Low8    | #53             |         21.8 |          37.2 | 20            |                 8 |                   1 |              7 |
| Low8    | #79             |         25.4 |          43.8 | 19            |                 8 |                   0 |              7 |
| Low8    | #100            |         20   |          39.2 | 20            |                 8 |                   0 |              7 |
| Low8    | #4/84           |         21.8 |          35.2 | 20            |                 4 |                   0 |              4 |
| Low8    | #108            |         25.6 |          47.5 | 20            |                 8 |                   0 |              7 |
| Low8    | #99             |         23.5 |          39   | 20            |                 6 |                   0 |              5 |
| Low8    | #110            |         25.5 |          42.7 | 20            |                 7 |                   0 |              6 |



row_idx: 0
col_idx: 4
col_name: GD of Birth
label: 20
output: value: 20
tablib_key: tables/job=github_000005/batch=003598/486wDOk0rrDi6rVVWTYP7MqkKsQ_RU1VVJGbhyiamMo=