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 | Facility ID | ERP W | Height m ( ft ) | Class | FCC info |
| --- | --- | --- | --- | --- | --- | --- | --- |
| KZTH | 88.5 | Piedmont, Oklahoma | 83880.0 | 50000.0 | m (ft) | C1 | FCC |
| KTHF | 89.9 | Hammon, Oklahoma | 177198.0 | 26500.0 | m (ft) | C2 | FCC |
| KXTH | 89.1 | Seminole, Oklahoma | 85076.0 | 2600.0 | m (ft) | A | FCC |
| KTHL | 89.3 | Altus, Oklahoma | 85076.0 | 1500.0 | m (ft) | A | FCC |
| K276EX | 103.1 | Oklahoma City, Oklahoma | 145396.0 | 75.0 | m (ft) | D | FCC |
| K261DP | 100.1 | Edmond, Oklahoma | 83195.0 | 92.0 | m (ft) | D | FCC |
| K253AY | 98.5 | Norman, Oklahoma | 148125.0 | 25.0 | m (ft) | D | FCC |
| K261DR | 100.1 | Wichita, Kansas | 14455.0 | 250.0 | m (ft) | D | FCC |
| K289AU | 105.7 | Bartlesville, Oklahoma | 153233.0 | 250.0 | m (ft) | D | FCC |
| K290BP | 105.9 | Stillwater, Oklahoma | 51938.0 | 250.0 | m (ft) | D | FCC |
Question:
Which Call sign has an ERP W of 75?
Answer:
K276EX