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:
| Km          | Exit        | Junctions                                             | To                                                                                                                                                         | Remarks     | Unnamed: 5     |
|:------------|:------------|:------------------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------|:------------|:---------------|
| 0           | nan         | Simpang Pulai Simpang Pulai Junctions                 | North Ipoh West Jalan Lahat-Simpang Pulai Lahat Pasir Pinji South A8 Batu Gajah Gopeng North-South Expressway Northern Route Alor Star Penang Kuala Lumpur | T-Junctions | nan            |
| nan         | nan         | Cameron Highlands Avant Chocolate                     | Avant Chocolate                                                                                                                                            | nan         | nan            |
| nan         | nan         | Cameron Highlands Cameron Highlands (North) Junctions | South Cameron Highlands Kampung Raja Tringkap Brinchang Tanah Rata Tourist attractions                                                                     | T-Junctions | nan            |
| nan         | nan         | Pos Sigar                                             | Pos Sigar Orang Asli village                                                                                                                               | T-junctions | nan            |
| nan         | nan         | Pos Brooke                                            | Pos Brooke Orang Asli village                                                                                                                              | T-junctions | nan            |
| nan         | nan         | Pos Mering                                            | Pos Mering Orang Asli village Lojing Highlands                                                                                                             | T-junctions | nan            |
| nan         | nan         | Lojing                                                | Lojing Highlands                                                                                                                                           | T-junctions | nan            |
| nan         | nan         | Ulu Nenggiri Junctions                                | West D30 Jalan Ulu Nenggiri Ulu Nenggiri Kampung Pilting                                                                                                   | T-junctions | nan            |
| [MISSING]   | nan         | Gua Musang Gua Musang Town Junctions                  | North D29 Jalan Dabong-Gua Musang Dabong Jeli South Kuala Lipis Jerantut Raub Taman Negara                                                                 | Junctions   | nan            |
| nan         | nan         | Gua Musang-Chiku                                      | see also Federal Route 8                                                                                                                                   | nan         | nan            |
| nan         | nan         | Chiku Chiku Junctions                                 | North Kota Bharu Kuala Krai                                                                                                                                | T-junctions | nan            |
| nan         | nan         | TNB Puah Hydroelectric Dam                            | TNB Puah Hydroelectric Dam                                                                                                                                 | T-junctions | nan            |
| nan         | nan         | Jalan Pengkalan Utama Junctions                       | South T156 Jalan Pengkalan Utama TNB Pengkalan Gawi Dam Telemung Waterfall                                                                                 | T-junctions | nan            |
| nan         | nan         | Kenyir Lake Kenyir Lake Junctions                     | South Kenyir Lake Pengkalan Gawi (Jetty) Kenyir Lake Resort and Spa Kenyir Lake Visitor Centre V                                                           | T-junctions | nan            |
| Kenyir Lake | Kenyir Lake | Kenyir Lake                                           | Kenyir Lake                                                                                                                                                | Kenyir Lake | Kampung Basung |
| nan         | nan         | Pelung Junctions                                      | North T151 Jalan Pelung Pelung                                                                                                                             | T-junctions | nan            |
| nan         | nan         | Kuala Jeneris Kuala Jeneris Junctions                 | North Sungai Tong Setiu Besut South Kuala Berang Ajil                                                                                                      | Junctions   | nan            |



row_idx: 8
col_idx: 0
col_name: Km
label: nan