Who is the Head Coach of the team whose President is Mario Volarevic?
CREATE TABLE table_name_86 (
    head_coach VARCHAR,
    president VARCHAR
)
SELECT head_coach FROM table_name_86 WHERE president = "mario volarevic"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who is the Head Coach of the team whose President is Mario Volarevic? ### Input: CREATE TABLE table_name_86 (
    head_coach VARCHAR,
    president VARCHAR
) ### Response: SELECT head_coach FROM table_name_86 WHERE president = "mario volarevic"