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 |
| --- | --- | --- | --- | --- | --- |
| W264BG | 100.7 | Benedicta, Maine | 19.0 | D | FCC |
| W272CG | 102.3 | Biddeford, Maine | 19.0 | D | FCC |
| W250BB | 97.9 | Houlton, Maine | 250.0 | D | FCC |
| W255BI | 98.7 | Lincoln, Maine | 38.0 | D | FCC |
| W223BH | 92.5 | Portland, Maine | 250.0 | D | FCC |
| W300BN | 107.9 | Portland, Maine | 10.0 | D | FCC |
| W233BE | 94.5 | Richmond, Maine | 250.0 | D | FCC |
| W246BP | 97.1 | Sanford, Maine | 10.0 | D | FCC |
| W272BV | 102.3 | Yarmouth, Maine | 80.0 | D | FCC |
Question:
Which ERP W is the lowest one that has a Call sign of w233be?
Answer:
250.0