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:
| Songs                                                                                                                             | Paul McCartney            | Stuart               | McIntosh        | Wix       | Whitten   | Linda McCartney      |
|:----------------------------------------------------------------------------------------------------------------------------------|:--------------------------|:---------------------|:----------------|:----------|:----------|:---------------------|
| "Figure of Eight"                                                                                                                 | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Tambourine           |
| "Jet"                                                                                                                             | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Rough Ride"                                                                                                                      | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Got to Get You into My Life"                                                                                                     | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Band on the Run"                                                                                                                 | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Ebony and Ivory" or "Birthday" (both not played in all cities)                                                                   | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "We Got Married"                                                                                                                  | Bass                      | Acoustic guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Maybe I'm Amazed" or "Let 'Em In"                                                                                                | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards or Drum    |
| "The Long and Winding Road"                                                                                                       | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "The Fool on the Hill"                                                                                                            | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Sgt. Pepper's Lonely Hearts Club Band"/"Sgt. Pepper's Lonely Hearts Club Band (reprise)"                                         | Electric guitar           | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Good Day Sunshine"                                                                                                               | Electric guitar           | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Can't Buy Me Love"                                                                                                               | Electric guitar           | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Put It There"/"Hello, Goodbye (reprise)"                                                                                         | Acoustic guitar           | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Things We Said Today"                                                                                                            | Acoustic guitar           | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Eleanor Rigby"                                                                                                                   | Acoustic guitar           | nan                  | nan             | Keyboards | nan       | nan                  |
| "This One"                                                                                                                        | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Tambourine           |
| "My Brave Face"                                                                                                                   | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Back in the U.S.S.R."                                                                                                            | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "I Saw Her Standing There"                                                                                                        | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Twenty Flight Rock" (not played in all cities)                                                                                   | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Coming Up"                                                                                                                       | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Let It Be"                                                                                                                       | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Ain't That a Shame" or Lennon medley ("Strawberry Fields Forever"/"Help!"/"Give Peace a Chance") (both not played in all cities) | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Live and Let Die"                                                                                                                | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Hey Jude"                                                                                                                        | Piano                     | Bass                 | Electric guitar | Keyboards | Drums     | Tambourine/Keyboards |
| "Yesterday"                                                                                                                       | Acoustic guitar           | nan                  | nan             | Keyboards | nan       | nan                  |
| "P.S. Love Me Do" (played only in some cities)                                                                                    | nan                       | Bass                 | Electric guitar | Keyboards | Drums     | [MISSING]            |
| "Get Back"                                                                                                                        | Bass                      | Electric guitar      | Electric guitar | Keyboards | Drums     | Keyboards            |
| "Golden Slumbers"/"Carry That Weight"/"The End"                                                                                   | Keyboards/Electric guitar | Bass/Electric guitar | Electric guitar | Keyboards | Drums     | Keyboards            |



row_idx: 27
col_idx: 6
col_name: Linda McCartney
label: Keyboards