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:
| Virtual | Physical | Call sign | Branding | Network | Owner |
| --- | --- | --- | --- | --- | --- |
| 3.0 | 22.0 | KBME-TV | Prairie Public | PBS | Prairie Public Broadcasting |
| 5.0 | 31.0 | KFYR-TV | KFYR-TV NBC North Dakota | NBC | Hoak Media Corporation |
| 12.0 | 12.0 | KXMB-TV | KXMB CBS 12 KX Television | CBS | Reiten Broadcasting |
| 17.0 | 17.0 | KBMY | KBMY 17 | ABC | Forum Communications |
| 26.0 | 26.0 | KNDX | Fox 26 | Fox | Prime Cities Broadcasting |
Question:
Name the number of virtual for NBC
Answer:
1.0