Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_2394927_1 (max_downstream_throughput___mbit_s__ VARCHAR, power___dbm__ VARCHAR)
### Question:
What are the highest mbit/s when the dbm is +17.5?
### Answer:
SELECT max_downstream_throughput___mbit_s__ FROM table_2394927_1 WHERE power___dbm__ = "+17.5"