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:
| No. | Title | Directed by | Written by | Bens location | Original air date | U.S. viewers (million) |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | "Milfay" | Rodrigo García | Daniel Knauf | Milfay, Oklahoma | September14,2003 | 5.3 |
| 2.0 | "After the Ball Is Over" | Jeremy Podeswa | Daniel Knauf & Ronald D. Moore | N/A | September21,2003 | 3.49 |
| 4.0 | "Black Blizzard" | Peter Medak | William Schmidt | N/A | October5,2003 | 2.87 |
| 5.0 | "Babylon" | Tim Hunter | Dawn Prestwich & Nicole Yorkin | Babylon, Texas [b ] | October12,2003 | 3.31 |
| 6.0 | "Pick a Number" | Rodrigo García | Ronald D. Moore | Babylon, Texas [b ] | October19,2003 | 3.40 |
| 7.0 | "The River" | Alison Maclean | Toni Graphia | Texas | October26,2003 | 3.90 |
| 8.0 | "Lonnigan, Texas" | Scott Winant | Daniel Knauf | Lonnigan, Texas | November2,2003 | 2.96 |
| 9.0 | "Insomnia" | Jack Bender | William Schmidt | N/A | November9,2003 | 3.41 |
| 10.0 | "Hot and Bothered" | Jeremy Podeswa | Dawn Prestwich & Nicole Yorkin | Loving, New Mexico [c ] | November16,2003 | 3.19 |
| 11.0 | "Day of the Dead" | John Patterson | Toni Graphia | Loving, New Mexico [c ] | November23,2003 | 2.56 |
Question:
What is the original air date for no. 2?
Answer:
September21,2003