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:
| District | Incumbent | Party | First elected | Result | Candidates |
| --- | --- | --- | --- | --- | --- |
| Pennsylvania 5 | Jacob Fry, Jr. | Democratic | 1834 | Retired Democratic hold | Joseph Fornance (D) 54.9% Joseph Royer (W) 45.1% |
| Pennsylvania 6 | Mathias Morris | Whig | 1834 | Lost re-election Democratic gain | John Davis (D) 51.9% Mathias Morris (W) 48.1% |
| Pennsylvania 9 | George Keim | Democratic | 1838 ( special ) | Re-elected | George Keim (D) 69.3% Daniel M. Bieber (W) 30.7% |
| Pennsylvania 10 | Luther Reily | Democratic | 1836 | Retired Whig gain | William Simonton (W) 59.1% William Reily (D) 40.9% |
| Pennsylvania 11 | Henry Logan | Democratic | 1834 | Retired Democratic hold | James Gerry (D) 56.6% Charles A. Barnitz (W) 43.4% |
| Pennsylvania 12 | Daniel Sheffer | Democratic | 1836 | Lost re-election Whig gain | James Cooper (W) 55.9% Daniel Sheffer (D) 44.1% |
| Pennsylvania 15 | David Petrikin | Democratic | 1836 | Re-elected | David Petrikin (D) 53.5% David Hurley (W) 46.5% |
| Pennsylvania 18 | Charles Ogle | Anti-Masonic | 1836 | Re-elected | Charles Ogle (AM) 55.9% Job Mann (D) 44.1% |
| Pennsylvania 20 | Andrew Buchanan | Democratic | 1832 | Retired Democratic hold | Enos Hook (D) 62.4% Fideleo Hughes (W) 37.6% |
| Pennsylvania 21 | Thomas M. T. McKennan | Anti-Masonic | 1830 | Retired Democratic gain | Isaac Leet (D) 50.1% Joseph Lawrence (W) 49.9% |
| Pennsylvania 22 | Richard Biddle | Anti-Masonic | 1836 | Re-elected | Richard Biddle (AM) 58.1% James Power (D) 41.9% |
| Pennsylvania 23 | William Beatty | Democratic | 1836 | Re-elected | William Beatty (D) 61.5% George W. Smith (W) 38.5% |
| Pennsylvania 24 | Thomas Henry | Anti-Masonic | 1836 | Re-elected | Thomas Henry (AM) 54.7% James D. White (D) 45.3% |
Question:
Which party does the incumbent Mathias Morris belong to?
Answer:
Whig