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:
|   Yera | Competition                             | Division                                      | Winners                                                                                         |
|-------:|:----------------------------------------|:----------------------------------------------|:------------------------------------------------------------------------------------------------|
|   1966 | Henley Royal Regatta                    | Silver Goblets & Nickalls' Challenge Cup, II- | R Easterling and J T McCarthy (runners-up)                                                      |
|   1968 | Henley Royal Regatta                    | Diamond Challenge Cup, M1x                    | Kenny Dwan (runner-up)                                                                          |
|   1968 | Wingfield Sculls                        | M1x                                           | Kenny Dwan                                                                                      |
|   1968 | Summer Olympics, Mexico                 | M1x                                           | Kenny Dwan (6th overall)                                                                        |
|   1969 | Wingfield Sculls                        | M1x                                           | Kenny Dwan                                                                                      |
|   1970 | Wingfield Sculls                        | M1x                                           | Kenny Dwan                                                                                      |
|   1971 | Wingfield Sculls                        | M1x                                           | Kenny Dwan                                                                                      |
|   1972 | Wingfield Sculls                        | M1x                                           | Kenny Dwan                                                                                      |
|   1972 | Summer Olympics, Munich                 | M1x                                           | Kenny Dwan (9th overall)                                                                        |
|   1974 | Henley Royal Regatta                    | Diamond Challenge Cup, M1x                    | Kenny Dwan (runner-up)                                                                          |
|   1975 | Wingfield Sculls                        | M1x                                           | Kenny Dwan                                                                                      |
|   1978 | Henley Royal Regatta                    | Double Sculls Challenge Cup, M2x              | MS Spencer and R Prentice (runners-up)                                                          |
|   1979 | Henley Royal Regatta                    | Double Sculls Challenge Cup, M2x              | Ian Gold (runner up) (in a composite with Bewl Bridge's AC Rudkin)                              |
|   1995 | Henley Royal Regatta                    | Fawley Challenge Cup, JM4x                    | in a composite quad with the The Windsor Boys' School                                           |
|   1996 | Henley Royal Regatta                    | Fawley Challenge Cup, JM4x                    | in a composite quad with the The Windsor Boys' School                                           |
|   1997 | Henley Royal Regatta                    | Queen Mother Challenge Cup, B4x               | (runners-up)                                                                                    |
|   2016 | Marlow Regatta                          | Masters B/C                                   | Andrea Stock                                                                                    |
|   2016 | nan                                     | Novice JW1x                                   | Phoebe O'Hene                                                                                   |
|   2016 | Peterborough Spring Regatta             | IM3W1x                                        | Beverley Reid                                                                                   |
|   2016 | nan                                     | WJ16 1x                                       | Laura Stewart                                                                                   |
|   2016 | nan                                     | Masters F 1x                                  | Robert Milligan                                                                                 |
|   2016 | Henley Masters Regatta                  | Masters B 1x                                  | Andrea Stock                                                                                    |
|   2016 | nan                                     | Masters C 2x                                  | Ralph Humphrey (in a composite with Medway Town's Shaun Martin)                                 |
|   2016 | Euro Masters Regatta, Munich            | Masters C mixed 4x                            | Andrea Stock, Beverley Reid and Ralph Humphrey (in a composite with Medway Town's Shaun Martin) |
|   2016 | nan                                     | Masters A 1x                                  | Andrea Stock                                                                                    |
|   2016 | nan                                     | Masters B 1x                                  | Andrea Stock                                                                                    |
|   2016 | nan                                     | Masters B 2x                                  | Ralph Humphrey (in a composite with Medway Town's Shaun Martin)                                 |
|   2016 | World Masters Championships, Copenhagen | Masters F 1x                                  | Robert Milligan                                                                                 |
|   2016 | nan                                     | Masters G VIII+                               | Robert Milligan (in a composite with Ardingly, Quintin and Worcester)                           |
|   2016 | nan                                     | Masters G IV-                                 | Robert Milligan (in a composite with Ardingly)                                                  |
|   2016 | nan                                     | Masters A 2x                                  | Ralph Humphrey (in a composite with Medway Town's Shaun Martin)                                 |
|   2016 | Henley Sculls Head                      | IM3W 1x                                       | Phoebe O'Herne                                                                                  |
|   2016 | nan                                     | IM1W 1x                                       | [MISSING]                                                                                       |



row_idx: 32
col_idx: 3
col_name: Winners
label: Andrea Stock