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:
| Song | Mobiles | Northern Ireland | Northern England | Scotland | Southern England | Wales | Total |
| --- | --- | --- | --- | --- | --- | --- | --- |
| "Groovy Chick" | 10.0 | 3.0 | 2.0 | 3.0 | 2.0 | 3.0 | 23.0 |
| "Clear the Air" | 5.0 | 5.0 | 10.0 | 8.0 | 3.0 | 4.0 | 35.0 |
| "Devil in a Hood" | 4.0 | 1.0 | 3.0 | 4.0 | 4.0 | 1.0 | 17.0 |
| "In My Life" | 2.0 | 6.0 | 8.0 | 5.0 | 5.0 | 10.0 | 36.0 |
| "How Does It Feel" | 8.0 | 8.0 | 4.0 | 10.0 | 8.0 | 5.0 | 43.0 |
| "The Girl" | 1.0 | 2.0 | 1.0 | 1.0 | 6.0 | 2.0 | 13.0 |
| "About You" | 3.0 | 4.0 | 6.0 | 6.0 | 1.0 | 6.0 | 26.0 |
Question:
How many votes did Southern England cast whilst Northern Ireland cast 3?
Answer:
2.0