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_27588823_2 (power__kw_ VARCHAR, callsign VARCHAR)

### Question ###
How much power does dwzf have?

### Accurate SQL ###

SELECT power__kw_ FROM table_27588823_2 WHERE callsign = "DWZF"