How many episodes directed by david carson?
CREATE TABLE table_27836 (
    "No. in series" real,
    "No. in season" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text
)
SELECT COUNT("No. in season") FROM table_27836 WHERE "Directed by" = 'David Carson'
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 episodes directed by david carson? ### Input: CREATE TABLE table_27836 (
    "No. in series" real,
    "No. in season" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text
) ### Response: SELECT COUNT("No. in season") FROM table_27836 WHERE "Directed by" = 'David Carson'