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:
| Actor            | Role                                                                           |   Episode # |
|:-----------------|:-------------------------------------------------------------------------------|------------:|
| Leon Thau        | Noxious, owner of a bawdy house                                                |           1 |
| Geoffrey Hughes  | Piteous, Noxious' aide                                                         |           1 |
| Trisha Noble     | High Priestess of the Vestal Virgins                                           |           1 |
| Hugh Paddick     | Runs the Grand Eureka Session (a lottery) before the Vestal Virgin competition |           1 |
| Janet Mahoney    | Tittea, substitute virgin #1                                                   |           1 |
| Penny Brahms     | Virginia, substitute virgin #2                                                 |           1 |
| Sui Lin          | Plautus' scribe                                                                |           1 |
| Jeremy Young     | Ponderous, General to the mighty Cesar                                         |           2 |
| Wendy Richard    | Sopia, hand maiden in the Sextus household                                     |           2 |
| Robert Gillespie | Plotter #1                                                                     |           2 |
| Nicholas Smith   | Plotter #2                                                                     |           2 |
| Michael Knowles  | Plotter #3                                                                     |           2 |
| Colin Bean       | Centurion                                                                      |           2 |
| Sui Lin          | Rent a Bit Girl                                                                |           2 |
| Derek Francis    | Senator Lecherous Maximus                                                      |           3 |
| Norman Mitchell  | Senator Stovus Primus                                                          |           3 |
| Valerie Leon     | Daili                                                                          |           3 |
| [MISSING]        | Scrophulus                                                                     |           3 |
| Wallas Eaton     | Sergeant Jankus                                                                |           4 |
| Robin Hunter     | Briton                                                                         |           4 |
| Peter Needham    | Briton                                                                         |           4 |
| Olwen Griffiths  | Hermione                                                                       |           5 |
| Bill Maynard     | Percentus (Theatre Manager)                                                    |           5 |
| Audrey Nicholson | Hernia                                                                         |           5 |
| Douglas Ridley   | Cuspidor                                                                       |           5 |
| Wallas Eaton     | Centurion Captain                                                              |           6 |
| Shaun Curry      | Spartacus                                                                      |           6 |
| Larry Martyn     | Goaler                                                                         |           6 |
| Sui Lin          | Prisoner                                                                       |           6 |
| Lynda Baron      | Ambrosia                                                                       |           7 |
| John Cater       | Castor Oilus                                                                   |           7 |
| David Keran      | Prodigious                                                                     |           7 |
| Trisha Noble     | Lusha                                                                          |           7 |
| John Ringham     | Buntus                                                                         |           7 |
| Mollie Sugden    | Flavia                                                                         |           7 |
| Queenie Watts    | Slave                                                                          |           7 |



row_idx: 17
col_idx: 0
col_name: Actor
label: James Ottaway