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:
| Date | Site | Sport | Winning team | Series |
| --- | --- | --- | --- | --- |
| September 12, 2008 | Ames | Volleyball | Iowa State | Iowa State 2–0 |
| September 13, 2008 | Iowa City | Football | Iowa | Iowa 3–2 |
| September 21, 2008 | Ames | W Soccer | Iowa | Iowa 5–2 |
| November 15, 2008 | Stillwater | M Cross Country | Iowa State | Iowa 5–4 |
| November 15, 2008 | Stillwater | W Cross Country | Iowa | Iowa 7–4 |
| December 6, 2008 | Iowa City | Wrestling | Iowa | Iowa 9–4 |
| December 7, 2008 | Iowa City | W Basketball | Iowa | Iowa 11–4 |
| December 12, 2008 | Iowa City | M Basketball | Iowa | Iowa 13–4 |
| December 12, 2008 | Iowa City | W Swimming | Iowa | Iowa 15–4 |
| February 12, 2009 | Ames | W Gymnastics | Iowa | Iowa 17–4 |
| February 14, 2009 | Iowa City | W Gymnastics | Iowa | Iowa 19–4 |
| April 7, 2009 | Iowa City | Softball | Iowa | Iowa 21–4 |
Question:
What is the series of the winning team in Iowa, for softball?
Answer:
Iowa 21–4