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 |
| --- | --- | --- | --- | --- | --- |
| W201DB | 88.1 | McRae, Georgia | 3.0 | D | FCC |
| W220DN | 91.9 | Soperton, Georgia | 38.0 | D | FCC |
| K216GA | 91.1 | Chanute, Kansas | 140.0 | D | FCC |
| W273BO | 102.5 | Manistee, Michigan | 19.0 | D | FCC |
| K226AV | 93.1 | Beeville, Texas | 115.0 | D | FCC |
| K217FB | 91.3 | Brownfield, Texas | 200.0 | D | FCC |
| K220JC | 91.9 | Childress, Texas | 170.0 | D | FCC |
| K288FU | 105.5 | Edna, Texas | 250.0 | D | FCC |
| K272EJ | 102.3 | Kenedy, Texas | 50.0 | D | FCC |
| K218DZ | 91.5 | Levelland, Texas | 92.0 | D | FCC |
| W214BS | 90.7 | Black River Falls, Wisconsin | 10.0 | D | FCC |
| K201HS | 88.1 | Worland, Wyoming | 50.0 | D | FCC |
| W288BT | 105.5 | St. Clair, Michigan | 8.0 | D | FCC |
Question:
What is Call Sign, when ERP W is greater than 50?
Answer:
K216GA, K226AV, K217FB, K220JC, K288FU, K218DZ