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_2 (frequency INTEGER, callsign VARCHAR, webcast VARCHAR, city_of_license VARCHAR)

### Question ###
Which long range AM station has the lowest frequency and includes a webcast of listen live, was licensed in the city of Monterrey, and uses the Callsign of xet?

### Accurate SQL ###

SELECT MIN(frequency) FROM table_name_2 WHERE webcast = "listen live" AND city_of_license = "monterrey" AND callsign = "xet"