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_73603 ( "Code name" text, "Brand name" text, "Model (list)" text, "Frequency" text, "Cores/Threads" text, "Max Memory Speed" text )

### Question ###
What brand is model G6xxx?

### Accurate SQL ###

SELECT "Brand name" FROM table_73603 WHERE "Model (list)" = 'G6xxx'