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:
| Call sign | Frequency MHz | City of license | ERP W | Class | FCC info |
| --- | --- | --- | --- | --- | --- |
| K220IV | 91.9 | North Pole, Alaska | 62.0 | D | FCC |
| K209FB | 89.7 | Edison, California | 10.0 | D | FCC |
| K211CO | 90.1 | Redding, California | 250.0 | D | FCC |
| K232DQ | 94.3 | Redding, California | 10.0 | D | FCC |
| K206CO | 89.1 | Ridgecrest, California | 38.0 | D | FCC |
| K242AT | 96.3 | Salinas, California | 10.0 | D | FCC |
| K212FA | 90.3 | Temple City, California | 10.0 | D | FCC |
| K215EM | 90.9 | Eagle, Colorado | 50.0 | D | FCC |
| K215BV | 90.9 | Vail, Colorado | 250.0 | D | FCC |
| W204BL | 88.7 | Gainesville, Florida | 120.0 | D | FCC |
| W227AV | 93.3 | Newberry, Florida | 10.0 | D | FCC |
| W205CC | 88.9 | Dekalb, Illinois | 10.0 | D | FCC |
| W205BT | 88.9 | New Albany, Indiana | 10.0 | D | FCC |
| K218DR | 91.5 | Bellaire, Sedgwick County, Kansas | 99.0 | D | FCC |
| K217EN | 91.3 | Great Bend, Kansas | 34.0 | D | FCC |
| W218CJ | 91.5 | Grand Ledge, Michigan | 27.0 | D | FCC |
| K249ED | 97.7 | Albertville, Minnesota | 170.0 | D | FCC |
| K221ES | 92.1 | Albertville, Minnesota | 250.0 | D | FCC |
| K277AS | 103.3 | Big Lake, Minnesota | 10.0 | D | FCC |
| K294BN | 106.7 | Great Falls, Montana | 170.0 | D | FCC |
| K209CJ | 89.7 | Tooele, UT | 10.0 | D | FCC |
| K208DJ | 89.5 | Great Falls, Montana | 70.0 | D | FCC |
| K218DL | 91.5 | Scottsbluff, Nebraska | 23.0 | D | FCC |
| K207DU | 89.3 | Spring Valley, Nevada | 75.0 | D | FCC |
| W206AQ | 89.1 | Plattsburgh, New York | 10.0 | D | FCC |
| W273BL | 102.5 | Akron, Ohio | 10.0 | D | FCC |
| W279BT | 103.7 | Cleveland, Ohio | 5.0 | D | FCC |
| K214CI | 90.7 | Eugene, Oregon | 10.0 | D | FCC |
| W219CY | 91.7 | Irmo, South Carolina | 55.0 | D | FCC |
| K209BT | 89.7 | Plainview, Texas | 250.0 | D | FCC |
Question:
What is the call sign of the translator in Spring Valley, Nevada?
Answer:
K207DU