CREATE TABLE table_53227 ("Serial" TEXT, "Airborne Unit" TEXT, "Troop carrier Group" TEXT, "# of C-47s" FLOAT, "UK Base" TEXT, "Drop Zone" TEXT, "Drop Zone Time" FLOAT)

What is the Drop Zone time for the 439th tcg Troop Carrier Group with more tham 36 C-47s?
SELECT "Drop Zone Time" FROM table_53227 WHERE "Troop carrier Group" = '439th tcg' AND "# of C-47s" > '36'
SELECT "Drop Zone Time" FROM "table_53227" WHERE "# of C-47s" > '36' AND "Troop carrier Group" = '439th tcg'