for what crime was gunther volz executed at metz?
CREATE TABLE table_4056 (
    "Executed person" text,
    "Date of execution" text,
    "Place of execution" text,
    "Crime" text,
    "Method" text,
    "Under President" text
)
SELECT "Crime" FROM table_4056 WHERE "Place of execution" = 'Metz' AND "Executed person" = 'Gunther Volz'
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: for what crime was gunther volz executed at metz? ### Input: CREATE TABLE table_4056 (
    "Executed person" text,
    "Date of execution" text,
    "Place of execution" text,
    "Crime" text,
    "Method" text,
    "Under President" text
) ### Response: SELECT "Crime" FROM table_4056 WHERE "Place of execution" = 'Metz' AND "Executed person" = 'Gunther Volz'