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_1356555_2 ( median_household_income VARCHAR, county VARCHAR )

### Question ###
What is the median household income of butte?

### Accurate SQL ###

SELECT median_household_income FROM table_1356555_2 WHERE county = "Butte"