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_31 (capacity__mw_ INTEGER, turbines VARCHAR, size__mw_ VARCHAR, wind_farm VARCHAR)

### Question ###
What is the sum of the capacities for Carrigh wind warm that has a size of 0.85 MW and more than 3 turbines?

### Accurate SQL ###

SELECT SUM(capacity__mw_) FROM table_name_31 WHERE size__mw_ = "0.85" AND wind_farm = "carrigh" AND turbines > 3