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:
|   # | Prime Minister   | Date of birth     | Start date of (first) term   | Age at beginning of (first) term   | End date of (final) term   | Total time in office   | Date of death     | Lifespan                         |
|----:|:-----------------|:------------------|:-----------------------------|:-----------------------------------|:---------------------------|:-----------------------|:------------------|:---------------------------------|
|   1 | Edmund Barton    | 18 January 1849   | 1 January 1901               | 51 years, 348 days                 | 24 September 1903          | 996 days               | 7 January 1920    | 25,920 days (70 years, 354 days) |
|   2 | Alfred Deakin    | 3 August 1856     | 24 September 1903            | 47 years, 52 days                  | 29 April 1910              | 1,774 days             | 7 October 1919    | 23,074 days (63 years, 65 days)  |
|   3 | Chris Watson     | 9 April 1867      | 27 April 1904                | 37 years, 18 days                  | 18 August 1904             | 113 days               | 18 November 1941  | 27,251 days (74 years, 223 days) |
|   4 | George Reid      | 25 February 1845  | 18 August 1904               | 59 years, 175 days                 | 5 July 1905                | 321 days               | 12 September 1918 | 26,861 days (73 years, 199 days) |
|   5 | Andrew Fisher    | 29 August 1862    | 13 November 1908             | 46 years, 76 days                  | 27 October 1915            | 1,758 days             | 22 October 1928   | 24,160 days (66 years, 54 days)  |
|   6 | Joseph Cook      | 7 December 1860   | 24 June 1913                 | 52 years, 199 days                 | 17 September 1914          | 450 days               | 30 July 1947      | 31,645 days (86 years, 235 days) |
|   7 | Billy Hughes     | 25 September 1862 | 27 October 1915              | 53 years, 32 days                  | 9 February 1923            | 2,662 days             | 28 October 1952   | 32,905 days (90 years, 33 days)  |
|   8 | Stanley Bruce    | 15 April 1883     | 9 February 1923              | 39 years, 300 days                 | 22 October 1929            | 2,447 days             | 25 August 1967    | 30,812 days (84 years, 132 days) |
|   9 | James Scullin    | 18 September 1876 | 22 October 1929              | 53 years, 34 days                  | 6 January 1932             | 806 days               | 28 January 1953   | 27,890 days (76 years, 132 days) |
|  10 | Joseph Lyons     | 15 September 1879 | 6 January 1932               | 52 years, 113 days                 | 7 April 1939               | 2,648 days             | 7 April 1939      | 21,753 days (59 years, 204 days) |
|  11 | Earle Page       | 8 August 1880     | 7 April 1939                 | 58 years, 242 days                 | 26 April 1939              | 19 days                | 20 December 1961  | 29,718 days (81 years, 134 days) |
|  12 | Robert Menzies   | 20 December 1894  | 26 April 1939                | 44 years, 127 days                 | 26 January 1966            | 6,735 days             | 15 May 1978       | 30,461 days (83 years, 146 days) |
|  13 | Arthur Fadden    | 13 April 1894     | 29 August 1941               | 47 years, 138 days                 | 7 October 1941             | 39 days                | 21 April 1973     | 28,862 days (79 years, 8 days)   |
|  14 | John Curtin      | 8 January 1885    | 7 October 1941               | 56 years, 272 days                 | 5 July 1945                | 1,367 days             | 5 July 1945       | 22,092 days (60 years, 178 days) |
|  15 | Frank Forde      | 18 July 1890      | 6 July 1945                  | 54 years, 353 days                 | 13 July 1945               | 7 days                 | 28 January 1983   | 33,796 days (92 years, 194 days) |
|  16 | Ben Chifley      | 22 September 1885 | 13 July 1945                 | 59 years, 294 days                 | 19 December 1949           | 1,620 days             | 13 June 1951      | [MISSING]                        |
|  17 | Harold Holt      | 5 August 1908     | 26 January 1966              | 57 years, 174 days                 | 19 December 1967           | 690 days               | 17 December 1967  | 21,683 days (59 years, 134 days) |
|  18 | John McEwen      | 29 March 1900     | 19 December 1967             | 67 years, 265 days                 | 10 January 1968            | 22 days                | 20 November 1980  | 29,456 days (80 years, 236 days) |
|  19 | John Gorton      | 9 September 1911  | 10 January 1968              | 56 years, 123 days                 | 10 March 1971              | 1,155 days             | 19 May 2002       | 33,125 days (90 years, 252 days) |
|  20 | William McMahon  | 23 February 1908  | 10 March 1971                | 63 years, 15 days                  | 5 December 1972            | 636 days               | 31 March 1988     | 29,257 days (80 years, 37 days)  |
|  21 | Gough Whitlam    | 11 July 1916      | 5 December 1972              | 56 years, 147 days                 | 11 November 1975           | 1,071 days             | 21 October 2014   | 35,896 days (98 years, 102 days) |
|  22 | Malcolm Fraser   | 21 May 1930       | 11 November 1975             | 45 years, 174 days                 | 11 March 1983              | 2,677 days             | 20 March 2015     | 30,984 days (84 years, 303 days) |
|  23 | Bob Hawke        | 9 December 1929   | 11 March 1983                | 53 years, 92 days                  | 20 December 1991           | 3,206 days             | nan               | 31,997 days (87 years, 220 days) |
|  24 | Paul Keating     | 18 January 1944   | 20 December 1991             | 47 years, 336 days                 | 11 March 1996              | 1,543 days             | nan               | 26,844 days (73 years, 180 days) |
|  25 | John Howard      | 26 July 1939      | 11 March 1996                | 56 years, 229 days                 | 3 December 2007            | 4,284 days             | nan               | 28,481 days (77 years, 356 days) |
|  26 | Kevin Rudd       | 21 September 1957 | 3 December 2007              | 50 years, 73 days                  | 18 September 2013          | 1,017 days             | nan               | 21,849 days (59 years, 299 days) |
|  27 | Julia Gillard    | 29 September 1961 | 24 June 2010                 | 48 years, 268 days                 | 27 June 2013               | 1,099 days             | nan               | 20,380 days (55 years, 291 days) |
|  28 | Tony Abbott      | 4 November 1957   | 18 September 2013            | 55 years, 318 days                 | 15 September 2015          | 727 days               | nan               | 21,805 days (59 years, 255 days) |
|  29 | Malcolm Turnbull | 24 October 1954   | 15 September 2015            | 60 years, 326 days                 | nan                        | 671 days               | nan               | 22,912 days (62 years, 266 days) |



row_idx: 15
col_idx: 8
col_name: Lifespan
label: 24,004 days (65 years, 264 days)