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_25 ( multiplier_1 VARCHAR, frequency VARCHAR )

### Question ###
What is the multiplier 1 for chips with a frequency of 1800MHz?

### Accurate SQL ###

SELECT multiplier_1 FROM table_name_25 WHERE frequency = "1800mhz"