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:
| Election | 1st Member | 1st Party | 2nd Member | 2nd Party |
| --- | --- | --- | --- | --- |
| 1832 | William Denison | Whig | John Leach | Whig |
| 1835 | William Denison | Whig | Charles Barclay | Conservative |
| 1837 | William Denison | Whig | Hon. George Perceval | Conservative |
| 1840 by-election | William Denison | Whig | John Trotter | Conservative |
| 1847 | William Denison | Whig | Henry Drummond | Conservative |
| 1849 by-election | William Evelyn | Conservative | Henry Drummond | Conservative |
| 1857 | John Ivatt Briscoe | Liberal | Henry Drummond | Conservative |
| 1860 by-election | John Ivatt Briscoe | Liberal | George Cubitt | Conservative |
| 1870 by-election | Lee Steere | Conservative | George Cubitt | Conservative |
| 1880 | Hon. St John Brodrick | Conservative | George Cubitt | Conservative |
| 1885 | constituency abolished | constituency abolished | constituency abolished | constituency abolished |
Question:
Which party's 1st member is John Ivatt Briscoe in an election in 1857?
Answer:
Liberal