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 1 | Joel B. Sutherland | Jacksonian | 1826 | Re-elected | Joel B. Sutherland (J) 61.7% James Gowen (?) 38.3% |
| Pennsylvania 5 | Joel K. Mann | Jacksonian | 1830 | Retired Jacksonian hold | Jacob Fry, Jr. (J) 55.3% James Royer (?) 44.7% |
| Pennsylvania 6 | Robert Ramsey | Jacksonian | 1832 | Retired Anti-Jacksonian gain | Mathias Morris (AJ) 52.4% Henry Chapman (J) 47.6% |
| Pennsylvania 10 | William Clark | Anti-Masonic | 1832 | Re-elected | William Clark (AM) 54.0% John C. Bucher (J) 46.0% |
| Pennsylvania 12 | George Chambers | Anti-Masonic | 1832 | Re-elected | George Chambers (AM) 59.8% Ludwig Heck (J) 40.2% |
| Pennsylvania 13 | Jesse Miller | Jacksonian | 1832 | Re-elected | Jesse Miller (J) 51.4% Thomas Whiteside (AM) 48.6% |
| Pennsylvania 17 | John Laporte | Jacksonian | 1832 | Re-elected | John Laporte (J) 56.8% Horrace Williston 43.2% |
| Pennsylvania 18 | George Burd | Anti-Jacksonian | 1830 | Retired Jacksonian gain | Job Mann (J) 54.6% Charles Ogle (AM) 45.4% |
| Pennsylvania 22 | Harmar Denny | Anti-Masonic | 1829 ( special ) | Re-elected | Harmar Denny (AM) 53.5% John M. Snowden (J) 46.5% |
| Pennsylvania 24 | John Banks | Anti-Masonic | 1830 | Re-elected | John Banks (AM) 52.2% Samuel Power (J) 47.8% |
Question:
Who were the candidates in districk Pennsylvania 12?
Answer:
George Chambers (AM) 59.8% Ludwig Heck (J) 40.2%