Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_51198 ( "Call sign" text, "Frequency MHz" real, "City of license" text, "ERP W" real, "Class" text, "FCC info" text )

### Question ###
What is the total Frequency MHz Port Charlotte, Florida, which has an ERP W larger than 10, has?

### Accurate SQL ###

SELECT COUNT("Frequency MHz") FROM table_51198 WHERE "City of license" = 'port charlotte, florida' AND "ERP W" > '10'