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_name_21 (erp_w INTEGER, frequency_mhz INTEGER)
### Question:
Name the lowest ERP W with a frequency mhz less than 103.1
### Answer:
SELECT MIN(erp_w) FROM table_name_21 WHERE frequency_mhz < 103.1