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:
| Symbol   | OMIM     | Gene                  | Locus              | Alt Name                                                                     |
|:---------|:---------|:----------------------|:-------------------|:-----------------------------------------------------------------------------|
| DYT1     | 128100   | TOR1A                 | 9q34               | Early-onset torsion dystonia                                                 |
| DYT2     | 224500   | HPCA                  | 1p35-p34.2         | Autosomal recessive primary isolated dystonia                                |
| DYT3     | 314250   | TAF1                  | Xq13               | X-linked dystonia-parkinsonism                                               |
| DYT4     | 128101   | TUBB4                 | 19p13.12-13        | Autosomal dominant whispering dysphonia                                      |
| DYT5a    | 128230   | GCH1                  | 14q22.1-q22.2      | Autosomal dominant dopamine-responsive dystonia                              |
| DYT5b    | 191290   | TH                    | 11p15.5            | Autosomal recessive dopamine-responsive dystonia                             |
| DYT6     | 602629   | [MISSING]             | 8p11.21            | Autosomal dominant dystonia with cranio-cervical predilection                |
| DYT7     | 602124   | unknown               | 18p (questionable) | Autosomal dominant primary focal cervical dystonia                           |
| DYT8     | 118800   | MR1                   | 2q35               | Paroxysmal nonkinesigenic dyskinesia                                         |
| DYT9     | 601042   | SLC2A1                | 1p35-p31.3         | Episodic choreoathetosis/spasticity (now known to be synonymous with DYT18)  |
| DYT10    | 128200   | PRRT2                 | 16p11.2-q12.1      | Paroxysmal kinesigenic dyskinesia                                            |
| DYT11    | 159900   | SGCE                  | 7q21               | Myoclonic dystonia                                                           |
| DYT12    | 128235   | ATP1A3                | 19q12-q13.2        | Rapid onset dystonia parkinsonism and alternating hemiplegia of childhood    |
| DYT13    | 607671   | unknown, near D1S2667 | 1p36.32-p36.13     | Autosomal dominant cranio-cervical/upper limb dystonia in one Italian family |
| DYT14    | See DYT5 | nan                   | nan                | nan                                                                          |
| DYT15    | 607488   | unknown               | 18p11              | Myoclonic dystonia not linked to SGCE mutations                              |
| DYT16    | 612067   | PRKRA                 | 2q31.3             | Autosomal recessive young onset dystonia parkinsonism                        |
| DYT17    | 612406   | unknown, near D20S107 | 20p11.2-q13.12     | Autosomal recessive dystonia in one family                                   |
| DYT18    | 612126   | SLC2A1                | 1p35-p31.3         | Paroxysmal exercise-induced dyskinesia                                       |
| DYT19    | 611031   | probably PRRT2        | 16q13-q22.1        | Episodic kinesigenic dyskinesia 2, probably synonymous with DYT10            |
| DYT20    | 611147   | unknown               | 2q31               | Paroxysmal nonkinesigenic dyskinesia 2                                       |
| DYT21    | 614588   | unknown               | 2q14.3-q21.3       | Late-onset torsion dystonia                                                  |
| DYT24    | 610110   | ANO3                  | 11p14.2            | Autosomal dominant cranio-cervical dystonia with prominent tremor            |



row_idx: 6
col_idx: 2
col_name: Gene
label: THAP1