How many episode numbers were directed by Steven DePaul and titled 'Sudden Flight'?
CREATE TABLE table_28417 (
    "No." real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "U.S. viewers (million)" text,
    "Rank (week)" text,
    "Original air date" text,
    "Production code" text
)
SELECT COUNT("#") FROM table_28417 WHERE "Directed by" = 'Steven DePaul' AND "Title" = 'Sudden Flight'
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: How many episode numbers were directed by Steven DePaul and titled 'Sudden Flight'? ### Input: CREATE TABLE table_28417 (
    "No." real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "U.S. viewers (million)" text,
    "Rank (week)" text,
    "Original air date" text,
    "Production code" text
) ### Response: SELECT COUNT("#") FROM table_28417 WHERE "Directed by" = 'Steven DePaul' AND "Title" = 'Sudden Flight'