Task: Data-Imputation (source dataset: tablib)

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:
|   event_id | table_name        | geometry_column   | event                                                                    | timestamp                | ver_sqlite   | ver_splite   |
|-----------:|:------------------|:------------------|:-------------------------------------------------------------------------|:-------------------------|:-------------|:-------------|
|          1 | spatial_ref_sys   | None              | table successfully created                                               | 2013-08-11T00:09:27.543Z | 3.7.17       | 4.1.1        |
|          2 | geometry_columns  | None              | table successfully created                                               | 2013-08-11T00:09:27.548Z | 3.7.17       | 4.1.1        |
|          3 | geometry_columns  | None              | trigger 'geometry_columns_f_table_name_insert' successfully created      | 2013-08-11T00:09:27.584Z | 3.7.17       | 4.1.1        |
|          4 | geometry_columns  | None              | trigger 'geometry_columns_f_table_name_update' successfully created      | 2013-08-11T00:09:27.590Z | 3.7.17       | 4.1.1        |
|          5 | geometry_columns  | None              | trigger 'geometry_columns_f_geometry_column_insert' successfully created | 2013-08-11T00:09:27.596Z | 3.7.17       | 4.1.1        |
|          6 | geometry_columns  | None              | trigger 'geometry_columns_f_geometry_column_update' successfully created | 2013-08-11T00:09:27.601Z | 3.7.17       | 4.1.1        |
|          7 | geometry_columns  | None              | trigger 'geometry_columns_geometry_type_insert' successfully created     | 2013-08-11T00:09:27.606Z | 3.7.17       | 4.1.1        |
|          8 | geometry_columns  | None              | trigger 'geometry_columns_geometry_type_update' successfully created     | 2013-08-11T00:09:27.612Z | 3.7.17       | 4.1.1        |
|          9 | geometry_columns  | None              | trigger 'geometry_columns_coord_dimension_insert' successfully created   | 2013-08-11T00:09:27.618Z | 3.7.17       | 4.1.1        |
|         10 | geometry_columns  | None              | trigger 'geometry_columns_coord_dimension_update' successfully created   | 2013-08-11T00:09:27.626Z | 3.7.17       | 4.1.1        |
|         11 | geom_cols_ref_sys | None              | view 'geom_cols_ref_sys' successfully created                            | 2013-08-11T00:09:27.633Z | 3.7.17       | 4.1.1        |
|         12 | spatial_ref_sys   | None              | table successfully populated                                             | 2013-08-11T00:09:28.398Z | 3.7.17       | 4.1.1        |
|         13 | aoi               | geometry          | Geometry [POLYGON,XY,SRID=32613] successfully recovered                  | 2013-08-11T00:16:07.329Z | 3.7.17       | 4.1.1        |
|         14 | point             | geometry          | Geometry [POINT,XY,SRID=32613] successfully recovered                    | 2013-08-11T00:16:23.821Z | 3.7.17       | 4.1.1        |
|         15 | Whole Database    | None              | [MISSING]                                                                | 2013-08-11T00:25:07.448Z | 3.7.17       | 4.1.1        |
|         16 | aoi               | geometry          | R*Tree Spatial Index successfully created                                | 2013-08-17T19:34:02.375Z | 3.7.17       | 4.1.1        |
|         17 | aoi               | geometry          | UpdateLayerStatistics                                                    | 2013-08-17T19:34:24.090Z | 3.7.17       | 4.1.1        |
|         18 | aoi               | geometry          | Check SpatialIndex: is valid                                             | 2013-08-17T19:40:18.894Z | 3.7.17       | 4.1.1        |
|         19 | background        | geometry          | Geometry [POLYGON,XY,SRID=32613] successfully created                    | 2013-08-17T21:16:53.010Z | 3.7.17       | 4.1.1        |
|         20 | background        | geometry          | R*Tree Spatial Index successfully created                                | 2013-08-17T21:16:53.046Z | 3.7.17       | 4.1.1        |



row_idx: 14
col_idx: 3
col_name: event
label: Converted by "spatialite_convert" from Version=4 to Version=3
output: value: Converted by "spatialite_convert" from Version=4 to Version=3
tablib_key: tables/job=github_000005/batch=008354/4JekjrARB4sjH2BOJzpCHVs4WAhmeiQT825GA_yT8Rs=