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_120778_2 (voted_no INTEGER, percent_no VARCHAR)

### Question ###
what is the minimum voted no where percent no is 56.6

### Accurate SQL ###

SELECT MIN(voted_no) FROM table_120778_2 WHERE percent_no = "56.6"