Table schema:
CREATE TABLE table_name_27 (drop_zone VARCHAR, troop_carrier_group VARCHAR, _number_of_c_47s VARCHAR)

Question: What is the Drop Zone time for the 439th tcg Troop Carrier Group with more tham 36 C-47s?
SQL: SELECT drop_zone AS Time FROM table_name_27 WHERE troop_carrier_group = "439th tcg" AND _number_of_c_47s > 36