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:
| Name | Party | Province | Term expires | Years in office |
| --- | --- | --- | --- | --- |
| William Atkinson | Liberal | Central | 1989 | 1983–1984 |
| Colin Bell | Liberal | Lower West | 1989 | 1983–1989 |
| Joe Berinson | Labor | North Central Metropolitan | 1986 | 1980–1993 |
| James Brown | Labor | South-East | 1986 | 1980–1992 |
| Eric Charlton | National/NP | Central | 1989 | 1984–1998 |
| Des Dans | Labor | South Metropolitan | 1989 | 1971–1989 |
| Peter Dowding | Labor | North | 1986 | 1980–1986 |
| Graham Edwards | Labor | North Metropolitan | 1989 | 1983–1997 |
| Lyla Elliott | Labor | North-East Metropolitan | 1986 | 1971–1986 |
| Vic Ferry | Liberal | South-West | 1989 | 1965–1987 |
| Harry Gayfer | National/NCP | Central | 1986 | 1974–1989 |
| Clive Griffiths | Liberal | South Central Metropolitan | 1989 | 1965–1997 |
| Kay Hallahan | Labor | South-East Metropolitan | 1989 | 1983–1993 |
| Bob Hetherington | Labor | South-East Metropolitan | 1986 | 1977–1989 |
| Garry Kelly | Labor | South Metropolitan | 1986 | 1982–1993 |
| Thomas Knight | Liberal | South | 1986 | 1974–1986 |
| Sandy Lewis | Liberal | Lower Central | 1986 | 1974–1989 |
| Phil Lockyer | Liberal | Lower North | 1986 | 1980–1997 |
| Margaret McAleer | Liberal | Upper West | 1986 | 1974–1993 |
| Fred McKenzie | Labor | North-East Metropolitan | 1989 | 1977–1993 |
| Graham MacKinnon | Liberal | South West | 1986 | 1956–1986 |
| Thomas McNeil | National/NP | Upper West | 1989 | 1977–1989 |
| Gordon Masters | Liberal | West | 1986 | 1974–1989 |
| Ian Medcalf | Liberal | Metropolitan | 1986 | 1968–1986 |
| Norman Moore | Liberal | Lower North | 1989 | 1977–2013 |
| Mark Nevill | Labor | South-East | 1989 | 1983–2001 |
| Neil Oliver | Liberal | West | 1989 | 1977–1989 |
| Phillip Pendal | Liberal | South Central Metropolitan | 1986 | 1980–1993 |
| Sam Piantadosi | Labor | North Central Metropolitan | 1989 | 1983–1996 |
| Ian Pratt | Liberal | Lower West | 1986 | 1974–1986 |
| Tom Stephens | Labor | North | 1989 | 1982–2004 |
| Bill Stretch | Liberal | Lower Central | 1989 | 1983–2005 |
| Peter Wells | Liberal | North Metropolitan | 1986 | 1980–1986 |
| Richard Williams | Liberal | Metropolitan | 1989 | 1971–1989 |
| David Wordsworth | Liberal | South | 1989 | 1971–1993 |
Question:
what is the number of people in the liberal party?
Answer:
19