Which episode had celebrities Nick Hewer and Saira Khan in them?
CREATE TABLE table_27076 (
    "Episode" real,
    "Stage" text,
    "Celebrities" text,
    "Directed and produced by" text,
    "Original airdate" text,
    "Viewers (overnight estimates)" text
)
SELECT "Episode" FROM table_27076 WHERE "Celebrities" = 'Nick Hewer and Saira Khan'
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: Which episode had celebrities Nick Hewer and Saira Khan in them? ### Input: CREATE TABLE table_27076 (
    "Episode" real,
    "Stage" text,
    "Celebrities" text,
    "Directed and produced by" text,
    "Original airdate" text,
    "Viewers (overnight estimates)" text
) ### Response: SELECT "Episode" FROM table_27076 WHERE "Celebrities" = 'Nick Hewer and Saira Khan'