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_5632 ( "Frequency (MHz)" real, "Call letters" text, "Licensed location" text, "Type" text, "Format" text )

### Question ###
Type of primary, and a Call letters of kktx-fm has what average Frequency (MHz)?

### Accurate SQL ###

SELECT AVG("Frequency (MHz)") FROM table_5632 WHERE "Type" = 'primary' AND "Call letters" = 'kktx-fm'