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_18943444_1 ( producer VARCHAR, product VARCHAR )

### Question ###
What are the producers of ?

### Accurate SQL ###

SELECT producer FROM table_18943444_1 WHERE product = "磊磊牌嬰幼兒配方乳粉"