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:
| # | Advocate # 1 | Advocate # 2 | Root of All Evil | Poll winner | Original air date |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Paul F. Tompkins for Oprah | Greg Giraldo for Catholic Church | Oprah | Catholic Church | March 12, 2008 |
| 2.0 | Andy Kindler for Donald Trump | Greg Giraldo for Viagra | Donald Trump | Viagra | March 19, 2008 |
| 3.0 | Paul F. Tompkins for Weed | Andrew Daly for Beer | Beer | Weed | March 26, 2008 |
| 4.0 | Patton Oswalt for YouTube | Greg Giraldo for Porn | YouTube | YouTube | April 2, 2008 |
| 5.0 | Greg Giraldo for Paris Hilton | Patton Oswalt for Dick Cheney | Dick Cheney | Paris Hilton | April 9, 2008 |
| 6.0 | Patton Oswalt for High School | Andy Kindler for American Idol | American Idol | High School | April 16, 2008 |
| 7.0 | Kathleen Madigan for Kim Jong-il | Greg Giraldo for Tila Tequila | Kim Jong-il | Tila Tequila | April 23, 2008 |
Question:
Name the poll winner for greg giraldo for porn
Answer:
YouTube