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:
| Poll source | Date(s)\nadministered | Sample\nsize | Margin of\nerror | Andrew\nCuomo (D) | Rob\nAstorino (R) | Other | Undecided |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Siena | March 16–20, 2014 | 813 | ± 3.4% | 61% | 26% | — | 13% |
| Marist | February 28–March 3, 2014 | 658 | ± 3.8% | 65% | 25% | — | 10% |
| Quinnipiac | February 6–10, 2014 | 1,488 | ± 2.5% | 58% | 24% | 2% | 16% |
| Siena | January 12–16, 2014 | 808 | ± 3.4% | 67% | 19% | 3% | 11% |
| Quinnipiac | November 20–24, 2013 | 1,337 | ± 2.7% | 56% | 25% | 2% | 17% |
| Marist | November 18–20, 2013 | 675 | ± 3.8% | 65% | 23% | — | 12% |
| Siena | November 11–14, 2013 | 806 | ± 3.5% | 63% | 24% | — | 13% |
Question:
which political party has the lead in this election, democrat or republican?
Answer:
Democrat