Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank: | Premier: | Party: | Assumed Office: | Left Office: | TOTAL Time in Office: |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Sir Robert Cosgrove | Labor | 18 December 1939 | 18 December 1947 | 18 years, 182 days |
| 1.0 | Sir Robert Cosgrove | Labor | 25 February 1948 | 26 August 1958 | 18 years, 182 days |
| 2.0 | Eric Reece | Labor | 26 August 1958 | 26 May 1969 | 13 years, 240 days |
| 2.0 | Eric Reece | Labor | 3 May 1972 | 31 March 1975 | 13 years, 240 days |
| 3.0 | Robin Gray | Liberal | 26 May 1982 | 29 June 1989 | 7years, 34days |
| 4.0 | Sir Walter Lee | Commonwealth Liberal | 15 April 1916 | 12 August 1922 | 6 years, 191 days |
| 4.0 | Sir Walter Lee | Nationalist | 14 August 1923 | 25 October 1923 | 6 years, 191 days |
| 5.0 | Sir Elliott Lewis | Conservatism | 12 October 1899 | 9 April 1903 | 6 years, 188 days |
| 5.0 | Sir Elliott Lewis | Liberal | 19 June 1909 | 20 October 1909 | 6 years, 188 days |
| 5.0 | Sir Elliott Lewis | Commonwealth | 27 October 1909 | 14 June 1912 | 6 years, 188 days |
| 6.0 | Philip Fysh | No Party Alignment | 9 August 1877 | 5 March 1878 | 5 years, 349 days |
| 6.0 | Philip Fysh | Liberal | 29 March 1887 | 17 August 1892 | 5 years, 349 days |
| 7.0 | John McPhee | Nationalist | 15 June 1928 | 15 March 1934 | 5years, 273days |
| 8.0 | William Giblin | No Party Alignment | 5 March 1878 | 20 December 1878 | 5 years, 215 days |
| 8.0 | William Giblin | No Party Alignment | 30 October 1879 | 15 August 1884 | 5 years, 215 days |
| 9.0 | Jim Bacon | Labor | 14 September 1998 | 21 March 2004 | 5years, 189days |
| 10.0 | Sir Edward Braddon | Liberal | 14 April 1894 | 12 October 1899 | 5years, 181days |
| 11.0 | Albert Ogilvie | Labor | 22 June 1934 | 11 June 1939 | 4years, 354days |
| 12.0 | John Evans | Conservatism | 12 July 1904 | 19 June 1909 | 4years, 342days |
| 13.0 | Joseph Lyons | Labor | 25 October 1923 | 15 June 1928 | 4years, 234days |
| 14.0 | Paul Lennon | Labor | 21 March 2004 | 26 May 2008 | 4years, 66days |
| 15.0 | Ray Groom | Liberal | 17 February 1992 | 18 March 1996 | 4years, 30days |
| 16.0 | Doug Lowe | Labor | 1 December 1977 | 11 November 1981 | 3years, 345days |
| 17.0 | James Whyte | No Party Alignment | 20 January 1863 | 24 November 1866 | 3years, 308days |
| 18.0 | Francis Smith | No Party Alignment | 12 May 1857 | 1 November 1860 | 3years, 173days |
| 19.0 | James Wilson | No Party Alignment | 4 August 1869 | 4 November 1872 | 3years, 92days |
| 20.0 | Alfred Kennerley | No Party Alignment | 4 August 1873 | 20 July 1876 | 2years, 351days |
| 21.0 | Angus Bethune | Liberal | 26 May 1969 | 3 May 1972 | 2years, 343days |
| 22.0 | Lara Giddings | Labor | 23 January 2011 | Incumbent | 3years, 9days |
| 23.0 | Sir Richard Dry | No Party Alignment | 24 November 1866 | 4 August 1869 | 2years, 253days |
| 24.0 | Bill Neilson | Labor | 31 March 1975 | 1 December 1977 | 2years, 245days |
| 25.0 | David Bartlett | Labor | 26 May 2008 | 23 January 2011 | 2years, 242days |
| 26.0 | Michael Field | Labor | 29 June 1989 | 17 February 1992 | 2years, 233days |
| 27.0 | Tony Rundle | Liberal | 18 March 1996 | 14 September 1998 | 2years, 180days |
| 28.0 | John Earle | Labor | 20 October 1909 | 27 October 1909 | 2 years, 16 days |
| 28.0 | John Earle | Labor | 6 April 1914 | 15 April 1916 | 2 years, 16 days |
| 29.0 | Albert Solomon | Commonwealth Liberal | 14 June 1912 | 6 April 1914 | 1year, 296days |
| 30.0 | Henry Dobson | Conservatism | 17 August 1892 | 14 April 1894 | 1year, 240days |
| 31.0 | Adye Douglas | No Party Alignment | 15 August 1884 | 8 March 1886 | 1year, 205days |
| 32.0 | Thomas Chapman | No Party Alignment | 2 August 1861 | 20 January 1863 | 1year, 171days |
| 33.0 | William Propsting | Liberal | 9 April 1903 | 12 July 1904 | 1year, 94days |
| 34.0 | James Agnew | No Party Alignment | 8 March 1886 | 29 March 1887 | 1year, 21days |
| 35.0 | Thomas Reibey | No Party Alignment | 20 July 1876 | 9 August 1877 | 1year, 20days |
| 36.0 | John Hayes | Nationalist | 12 August 1922 | 14 August 1923 | 1year, 2days |
| 37.0 | William Crowther | No Party Alignment | 20 December 1878 | 30 October 1879 | 0years, 314days |
| 38.0 | William Weston | No Party Alignment | 25 April 1857 | 12 May 1857 | 0 years, 291 days |
| 38.0 | William Weston | No Party Alignment | 1 November 1860 | 2 August 1861 | 0 years, 291 days |
| 39.0 | Frederick Innes | No Party Alignment | 4 November 1872 | 4 August 1873 | 0years, 273days |
| 40.0 | Harry Holgate | Labor | 11 November 1981 | 26 May 1982 | 0years, 196days |
| 41.0 | Edmund Dwyer-Gray | Labor | 11 June 1939 | 18 December 1939 | 0years, 190days |
| 42.0 | William Champ | No Party Alignment | 1 November 1856 | 26 February 1857 | 0years, 117days |
| 43.0 | Edward Brooker | Labor | 18 December 1947 | 24 February 1948 | 0years, 68days |
| 44.0 | Thomas Gregson | No Party Alignment | 26 February 1857 | 25 April 1857 | 0years, 58days |
Question:
what is the rank when assumed office on 12 may 1857?
Answer:
18.0