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:
| Track                           | Driver                       |   Wins | Active drivers                                         |
|:--------------------------------|:-----------------------------|-------:|:-------------------------------------------------------|
| Atlanta Motor Speedway          | Dale Earnhardt               |      5 | Jimmie Johnson                                         |
| Auto Club Speedway              | Jimmie Johnson               |      6 | Jimmie Johnson                                         |
| Bristol Motor Speedway          | Darrell Waltrip              |      5 | Kurt Busch, Kyle Busch                                 |
| Charlotte Motor Speedway        | Jimmie Johnson               |      8 | Jimmie Johnson                                         |
| Chicagoland Speedway            | Tony Stewart                 |      2 | Brad Keselowski & Kevin Harvick                        |
| Darlington Raceway              | David Pearson                |      3 | Jimmie Johnson                                         |
| Daytona International Speedway  | Richard Petty                |      4 | Dale Earnhardt, Jr.                                    |
| Dover International Speedway    | Jimmie Johnson               |     11 | Jimmie Johnson                                         |
| Homestead-Miami Speedway        | Greg Biffle & Tony Stewart   |      2 | Denny Hamlin                                           |
| Indianapolis Motor Speedway     | Jeff Gordon                  |      4 | Jimmie Johnson                                         |
| Kansas Speedway                 | Jeff Gordon & Jimmie Johnson |      3 | Jimmie Johnson                                         |
| Kentucky Speedway               | Brad Keselowski              |      3 | Brad Keselowski                                        |
| Las Vegas Motor Speedway        | Jimmie Johnson               |      4 | Jimmie Johnson                                         |
| Martinsville Speedway           | Richard Petty                |      9 | Jimmie Johnson                                         |
| Michigan International Speedway | David Pearson                |      3 | Kurt Busch, Matt Kenseth                               |
| New Hampshire Motor Speedway    | Jeff Burton                  |      3 | Jimmie Johnson, Ryan Newman, Kurt Busch & Matt Kenseth |
| Phoenix International Raceway   | Kevin Harvick                |      8 | Kevin Harvick                                          |
| Pocono Raceway                  | Jeff Gordon                  |      4 | Denny Hamlin                                           |
| Richmond International Raceway  | Richard Petty                |      4 | Kyle Busch                                             |
| Sonoma Raceway                  | [MISSING]                    |      2 | Kyle Busch                                             |
| Talladega Superspeedway         | Dale Earnhardt               |      6 | Dale Earnhardt, Jr.                                    |
| Texas Motor Speedway            | Jimmie Johnson               |      7 | Jimmie Johnson                                         |
| Watkins Glen International      | Tony Stewart                 |      2 | Kyle Busch                                             |



row_idx: 19
col_idx: 1
col_name: Driver
label: Jeff Gordon