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:
| Scientific name          | Common name               | Date of divergence   | Accession number   | Length    |   Percent identity |   Percent similarity |
|:-------------------------|:--------------------------|:---------------------|:-------------------|:----------|-------------------:|---------------------:|
| Pan troglodytes          | Chimpanzee                | 6.3 Mya              | XP_001147806.1     | 544 aa    |               60.8 |                   99 |
| Gorilla gorilla gorilla  | Gorilla                   | 8.8 Mya              | XP_004052053.1     | 521 aa    |               56.2 |                   91 |
| Pongo abelii             | Orangutan                 | 15.7 Mya             | NP_003253075.1     | 343 aa    |               95.3 |                   98 |
| Nomascus leucogenys      | Crested gibbon            | 20.4 Mya             | XP_003253075.1     | 554 aa    |               57.8 |                   94 |
| Papio anubis             | Olive baboon              | 29 Mya               | XP_003910631.1     | 542 aa    |               52   |                   86 |
| Callithrix jacchus       | Marmoset                  | 42.6 Mya             | XP_002754732.1     | 526 aa    |               51.2 |                   86 |
| Mus musculus             | Mouse                     | 92.3 Mya             | NP_079810.2        | 518 aa    |               39.7 |                   74 |
| Rattus norvegicus        | Brown rat                 | 92.3 Mya             | NP_001007661.1     | 516 aa    |               37.4 |                   71 |
| Canis lupus familiaris   | Dog                       | 94.2 Mya             | XP_542232.2        | 520 aa    |               46   |                   79 |
| Bos taurus               | Cow                       | 94.2 Mya             | NP_001039559.2     | 522 aa    |               42.4 |                   74 |
| Ailuropoda melanoleuca   | Giant panda               | 94.2 Mya             | XP_002925755.1     | 528 aa    |               45.4 |                   80 |
| Loxodonta africana       | African bush elephant     | 98.7 Mya             | XP_003415705.1     | 521 aa    |               40.4 |                   75 |
| Sarcophilus harrisii     | Tasmanian devil           | 162.2 Mya            | XP_003764344.1     | 518 aa    |               36.9 |                   70 |
| Monodelphis domestica    | Gray short-tailed opossum | 162.2 Mya            | XP_001363143.1     | 516 aa    |               36.7 |                   72 |
| Ornithorhynchus anatinus | Platypus                  | 167.4 Mya            | XP_001511067.1     | 505 aa    |               26.6 |                   70 |
| Gallus gallus            | Chicken                   | 296 Mya              | XP_423807.3        | 460 aa    |               24.3 |                   56 |
| Meleagris gallopavo      | Wild turkey               | 296 Mya              | XP_003203546.1     | 462 aa    |               21.5 |                   70 |
| Taeniopygia guttata      | Zebra finch               | 296 Mya              | XP_002198267.1     | 575 aa    |               20   |                   61 |
| Anolis carolinensis      | Carolina anole            | 296 Mya              | XP_003219357.1     | [MISSING] |               19.9 |                   49 |
| Xenopus tropicalis       | Western clawed frog       | 371.2 Mya            | XP_002935613.1     | 462 aa    |               21   |                   73 |



row_idx: 18
col_idx: 4
col_name: Length
label: 603 aa