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:
| Tail number   | Aircraft type                  | Related article                               |
|:--------------|:-------------------------------|:----------------------------------------------|
| 1             | British Army Aeroplane No 1    | British Army Aeroplane No 1                   |
| 1             | Rigid airship                  | HMA No. 1                                     |
| AH574         | Bell P-39 Airacobra            | AH574                                         |
| J7557         | Beardmore Inflexible           | Beardmore Inflexible                          |
| K7381         | Hawker Audax                   | Edmonton air crash                            |
| L6103         | De Bruyne Snark                | De Bruyne Snark                               |
| LN514         | Vickers Wellington             | Vickers Wellington LN514                      |
| MW248         | Avro York                      | Northwood mid-air collision                   |
| PA278         | Avro Lancaster                 | Lancaster PA278 disappearance                 |
| PA474         | Avro Lancaster                 | Avro Lancaster PA474                          |
| PZ865         | Hawker Hurricane               | Hawker Hurricane PZ865                        |
| R2492         | Martin-Baker MB 3              | Martin-Baker MB 3                             |
| R2496         | Martin-Baker MB 5              | Martin-Baker MB 5                             |
| S1589         | Short Sarafand                 | Short Sarafand                                |
| T2564         | Vickers Wellington             | 1942 Ruislip Wellington accident              |
| RF531         | Avro Lincoln                   | 1953 Avro Lincoln shootdown incident          |
| TG577         | Handley Page Hastings          | 1965 Little Baldon Hastings accident          |
| TX270         | Avro Lancaster GR3             | 1953 Mediterranean Sea aircraft collision     |
| VV243         | Avro Anson T21                 | 1949 Exhall mid-air collision                 |
| VX562         | Vickers Valetta C1             | 1953 Mediterranean Sea aircraft collision     |
| VX770         | Avro Vulcan                    | 1958 Syerston Avro Vulcan crash               |
| W4783         | Avro Lancaster                 | G for George                                  |
| WB491         | Avro Ashton                    | Avro Ashton                                   |
| WG236         | de Havilland DH.110            | 1952 Farnborough Airshow DH.110 crash         |
| WJ474         | Vickers Valetta T3             | 1954 Aldbury Valetta accident                 |
| WT629         | Hawker Hunter F1               | 1956 Hawker Hunter multiple aircraft accident |
| WT639         | Hawker Hunter F1               | 1956 Hawker Hunter multiple aircraft accident |
| WT692         | Hawker Hunter F1               | 1956 Hawker Hunter multiple aircraft accident |
| WV372         | Hawker Hunter                  | Shoreham Airport disaster                     |
| WW603         | Hawker Hunter F1               | 1956 Hawker Hunter multiple aircraft accident |
| WW633         | Hawker Hunter F1               | 1956 Hawker Hunter multiple aircraft accident |
| WW635         | Hawker Hunter F1               | 1956 Hawker Hunter multiple aircraft accident |
| XF442         | Hawker Hunter FGA.9            | Hawker Hunter Tower Bridge incident           |
| XH117         | Blackburn Beverly              | Sutton Wick air disaster                      |
| XH558         | Avro Vulcan B.2                | Avro Vulcan XH558                             |
| XM655         | Avro Vulcan B.2                | Avro Vulcan XM655                             |
| XV179         | Lockheed Hercules C1           | 2005 Royal Air Force Hercules shootdown       |
| XV216         | Lockheed Hercules C1           | 1971 RAF Hercules crash                       |
| XV493         | McDonnell-Douglas Phantom FGR2 | 1974 Norfolk mid-air collision                |
| XZ256         | Westland Lynx                  | HMS Richmond helicopter crash                 |
| ZA718         | Boeing Chinook                 | Bravo November                                |
| ZD576         | [MISSING]                      | 1994 Scotland RAF Chinook crash               |



row_idx: 41
col_idx: 1
col_name: Aircraft type
label: Boeing Chinook