human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Date, Time (UTC), Epicenter, Magnitude, Depth, Intensity
###Question: What is the magnitude with epicenter at Vrancea County, unknown intensity and which happened at 06:36?
gpt
SELECT Magnitude FROM table WHERE Epicenter = vrancea county AND Intensity = unknown AND Time (UTC) = 06:36