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:
| Round | Overall | Player | Position | Nationality | Club team |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 15.0 | Erik Karlsson | Defence | Sweden | Frölunda HC (Gothenburg) (Sweden) |
| 2.0 | 42.0 | Patrick Wiercioch | Defence | Canada | Omaha (USHL) |
| 3.0 | 79.0 | Zack Smith | Center | Canada | Swift Current Broncos (WHL) |
| 4.0 | 109.0 | Andre Petersson | Forward | Sweden | HV71 (Sweden) |
| 4.0 | 119.0 | Derek Grant | Center | Canada | Langley Chiefs (BCHL) |
| 5.0 | 139.0 | Mark Borowiecki | Defence | Canada | Smiths Falls Bears (CJHL) |
Question:
HOW MUCH WAS THE OVERALL FOR ERIK KARLSSON?
Answer:
15.0