What is the magnitude with epicenter at Vrancea County, unknown intensity and which happened at 06:36?
CREATE TABLE table_name_67 (
    magnitude VARCHAR,
    time__utc_ VARCHAR,
    epicenter VARCHAR,
    intensity VARCHAR
)
SELECT magnitude FROM table_name_67 WHERE epicenter = "vrancea county" AND intensity = "unknown" AND time__utc_ = "06:36"
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: What is the magnitude with epicenter at Vrancea County, unknown intensity and which happened at 06:36? ### Input: CREATE TABLE table_name_67 (
    magnitude VARCHAR,
    time__utc_ VARCHAR,
    epicenter VARCHAR,
    intensity VARCHAR
) ### Response: SELECT magnitude FROM table_name_67 WHERE epicenter = "vrancea county" AND intensity = "unknown" AND time__utc_ = "06:36"