What is the magnitude with epicenter at Vrancea County, unknown intensity and which happened at 06:36?
CREATE TABLE table_79127 (
    "Date" text,
    "Time (UTC)" text,
    "Epicenter" text,
    "Magnitude" text,
    "Depth" text,
    "Intensity" text
)
SELECT "Magnitude" FROM table_79127 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_79127 (
    "Date" text,
    "Time (UTC)" text,
    "Epicenter" text,
    "Magnitude" text,
    "Depth" text,
    "Intensity" text
) ### Response: SELECT "Magnitude" FROM table_79127 WHERE "Epicenter" = 'vrancea county' AND "Intensity" = 'unknown' AND "Time (UTC)" = '06:36'