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:
| Name                                  | Term of office   | Political party (Alliance)   | Prime Minister   |
|:--------------------------------------|:-----------------|:-----------------------------|:-----------------|
| Rafi Ahmed Kidwai                     | 2 August 1951    | Congress                     | Nehru            |
| Amrit Kaur                            | 13 May 1952      | Congress                     | Nehru            |
| Jagjivan Ram                          | 7 December 1956  | Congress                     | Nehru            |
| Raj Bahadur                           | 17 April 1957    | Congress                     | Nehru            |
| Lal Bahadur Shastri                   | 28 March 1958    | Congress                     | Nehru            |
| S. K. Patil                           | 24 August 1959   | Congress                     | Nehru            |
| Jawaharlal Nehru                      | 2 September 1959 | Congress                     | Nehru            |
| P. Subbarayan                         | 9 April 1962     | Congress                     | Nehru            |
| Jagjivan Ram                          | 31 August 1963   | Congress                     | Nehru            |
| Ashoke Kumar Sen                      | 13 June 1964     | Congress                     | Nehru            |
| Ashoke Kumar Sen                      | 13 June 1964     | Congress                     | Shastri          |
| Satya Narayan Sinha                   | 12 March 1967    | Congress                     | Shastri          |
| Satya Narayan Sinha                   | 12 March 1967    | Congress                     | I. Gandhi        |
| Ram Subhag Singh                      | 14 February 1969 | Congress                     | I. Gandhi        |
| Satya Narayan Sinha                   | 8 March 1971     | Congress                     | I. Gandhi        |
| Indira Gandhi                         | 17 March 1971    | Congress                     | I. Gandhi        |
| Sher Singh                            | 2 May 1971       | Congress                     | I. Gandhi        |
| Hemvati Nandan Bahuguna               | 8 November 1973  | Congress                     | I. Gandhi        |
| Raj Bahadur                           | 11 January 1974  | Congress                     | I. Gandhi        |
| Kasu Brahmananda Reddy                | 10 October 1974  | Congress                     | I. Gandhi        |
| Shankar Dayal Sharma                  | 24 March 1977    | Congress                     | I. Gandhi        |
| Morarji Desai                         | 26 March 1977    | JP                           | Desai            |
| Parkash Singh Badal                   | 27 March 1977    | SAD                          | Desai            |
| George Fernandes                      | 6 July 1977      | JP                           | Desai            |
| Brij Lal Varma                        | 28 July 1979     | JP                           | Desai            |
| Charan Singh                          | 30 July 1979     | JNP (S)                      | C. Singh         |
| Zulfiquarullah (Independent Charge)   | 27 November 1979 | JNP (S)                      | C. Singh         |
| Charan Singh                          | 7 December 1979  | JNP (S)                      | C. Singh         |
| Shyam Nandan Mishra                   | 14 January 1980  | JNP (S)                      | [MISSING]        |
| Indira Gandhi                         | 16 January 1980  | Congress                     | I. Gandhi        |
| Bhishma Narain Singh                  | 3 March 1980     | Congress                     | I. Gandhi        |
| C. M. Stephen                         | 2 September 1982 | Congress                     | I. Gandhi        |
| Anant Prasad Sharma                   | 14 February 1983 | Congress                     | I. Gandhi        |
| Indira Gandhi                         | 31 October 1984  | Congress                     | I. Gandhi        |
| Rajiv Gandhi                          | 4 November 1984  | Congress                     | R. Gandhi        |
| V. N. Gadgil                          | 31 December 1984 | Congress                     | R. Gandhi        |
| Ram Niwas Mirdha (Independent Charge) | 22 October 1986  | Congress                     | R. Gandhi        |
| Arjun Singh                           | 14 February 1988 | Congress                     | R. Gandhi        |
| Vasant Sathe                          | 25 June 1988     | Congress                     | R. Gandhi        |
| Bir Bahadur Singh                     | 30 June 1989     | Congress                     | R. Gandhi        |
| Giridhar Gamang (Independent Charge)  | 2 December 1989  | Congress                     | R. Gandhi        |
| V. P. Singh                           | 6 December 1989  | JD                           | V. P. Singh      |
| K.P. Unnikrishnan                     | 23 April 1990    | Congress (S)                 | V. P. Singh      |
| Janeshwar Mishra                      | 5 November 1990  | JD                           | V. P. Singh      |
| V. P. Singh                           | 10 November 1990 | JD                           | V. P. Singh      |
| Chandra Shekhar                       | 21 November 1990 | SJP                          | Chandra Shekhar  |
| Sanjay Singh                          | 21 June 1991     | SJP                          | Chandra Shekhar  |
| Rajesh Pilot (Independent Charge)     | 17 January 1993  | Congress                     | Rao              |
| Sukh Ram (Independent Charge)         | 16 May 1996      | Congress                     | Rao              |
| Atal Bihari Vajpayee                  | 1 June 1996      | BJP                          | Vajpayee         |



row_idx: 28
col_idx: 3
col_name: Prime Minister
label: C. Singh