human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Call sign, Frequency MHz, City of license, ERP W, Height m ( ft ), FCC info
###Question: Which City of license has a Frequency MHz smaller than 100.9, and a ERP W larger than 100?
gpt
SELECT City of license FROM table WHERE Frequency MHz < 100.9 AND ERP W > 100