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_name_96 ( signal_quality VARCHAR, station_call_letters VARCHAR )

### Question ###
What signal quality does the KCAL-DT channel have?

### Accurate SQL ###

SELECT signal_quality FROM table_name_96 WHERE station_call_letters = "kcal-dt"