Table schema:
CREATE TABLE table_25479607_3 (max_demand_charge___rs__kva_ VARCHAR, tariff___rs__kwh_ VARCHAR)

Question: What was the max demand charge for the user with a tariff of 8.85?
SQL: SELECT max_demand_charge___rs__kva_ FROM table_25479607_3 WHERE tariff___rs__kwh_ = "8.85"