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 | Charles Shaw-Lefevre | Liberal | James Winter Scott | Liberal Party |
| 1837 | Charles Shaw-Lefevre | Liberal | Sir William Heathcote, Bt | Conservative |
| 1849 by-election | Charles Shaw-Lefevre | Liberal | Melville Portal | Conservative |
| 1857 | William Wither Bramston Beach | Conservative | George Sclater-Booth | Conservative |
| 1885 | constituency abolished | constituency abolished | constituency abolished | constituency abolished |
Question:
Which 1st Party has an Election of 1849 by-election?
Answer:
Liberal