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:
| Unnamed: 0   |   Customer CNIC |   Customer Account No |   CNIC |   Account No |   Mobile No | DOB        | CustomerName   | Gender   |
|:-------------|----------------:|----------------------:|-------:|-------------:|------------:|:-----------|:---------------|:---------|
| 0            |              18 |                     3 |     18 |            3 |        2954 | 1990-11-30 | D              | M        |
| [MISSING]    |              18 |                     1 |     18 |            3 |        2954 | 1990-11-30 | D              | M        |
| 2            |              18 |                     3 |     18 |            3 |        2954 | 1990-11-30 | D              | M        |
| 3            |               6 |                     1 |      6 |            3 |        2329 | 1990-07-31 | E              | F        |
| 4            |               6 |                     1 |      6 |            1 |        2911 | 1991-05-31 | Z              | F        |
| 5            |               6 |                     1 |      6 |            1 |        2952 | 1991-07-31 | Z              | F        |
| 6            |               6 |                     4 |      6 |            3 |        2329 | 1990-07-31 | E              | F        |
| 7            |               6 |                     4 |      6 |            1 |        2911 | 1991-05-31 | Z              | F        |
| 8            |               6 |                     4 |      6 |            1 |        2952 | 1991-07-31 | Z              | F        |
| 9            |               6 |                     2 |      6 |            3 |        2329 | 1990-07-31 | E              | F        |
| 10           |               6 |                     2 |      6 |            1 |        2911 | 1991-05-31 | Z              | F        |
| 11           |               6 |                     2 |      6 |            1 |        2952 | 1991-07-31 | Z              | F        |
| 12           |              11 |                     1 |     11 |            3 |        2808 | 1990-05-31 | S              | M        |
| 13           |              11 |                     4 |     11 |            3 |        2808 | 1990-05-31 | S              | M        |
| 14           |              10 |                     2 |     10 |            1 |        2908 | 1991-08-31 | X              | M        |
| 15           |              10 |                     4 |     10 |            1 |        2908 | 1991-08-31 | X              | M        |
| 16           |              13 |                     3 |     13 |            4 |        2515 | 1990-01-31 | K              | F        |
| 17           |              13 |                     3 |     13 |            1 |        2978 | 1990-09-30 | V              | F        |
| 18           |              15 |                     4 |     15 |            4 |        2278 | 1990-08-31 | J              | M        |
| 19           |               7 |                     3 |      7 |            4 |        2256 | 1991-04-30 | Q              | M        |
| 20           |              14 |                     4 |     14 |            3 |        2997 | 1990-02-28 | T              | M        |
| 21           |              14 |                     4 |     14 |            2 |        2161 | 1990-06-30 | G              | M        |
| 22           |              14 |                     4 |     14 |            4 |        2640 | 1990-12-31 | I              | M        |



row_idx: 1
col_idx: 0
col_name: Unnamed: 0
label: 1
output: value: 1
tablib_key: tables/job=github_000005/batch=003598/SjpfyLPxWSTxU4_qBo9YuFS-Rg_pSegV5thWboOQ4TY=