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 4 | Hugh Glasgow | Democratic-Republican | 1812.0 | Retired Democratic-Republican hold | Jacob Spangler (DR) 67.1% Jacob Hay (F) 32.9% |
| Pennsylvania 6 Plural district with 2 seats | Samuel D. Ingham | Democratic-Republican | 1812.0 | Re-elected | John Ross (DR) 50.8% Samuel D. Ingham (DR) 49.2% |
| Pennsylvania 6 Plural district with 2 seats | John Ross | Democratic-Republican | 1814.0 | Re-elected | John Ross (DR) 50.8% Samuel D. Ingham (DR) 49.2% |
| Pennsylvania 8 | William Piper | Democratic-Republican | 1810.0 | Retired Democratic-Republican hold | Alexander Ogle (DR) 99.7% |
| Pennsylvania 12 | Aaron Lyle | Democratic-Republican | 1808.0 | Retired Democratic-Republican hold | Thomas Patterson (DR) 87.2% John Hughes (F) 12.8% |
| Pennsylvania 14 | John Woods | Federalist | 1814.0 | Retired Democratic-Republican gain | Henry Baldwin (DR) 61.6% Walter Lowrie (DR) 38.4% |
Question:
Name the number of candidates for  samuel d. ingham
Answer:
1.0