For episode number 7, what was the numbers of original air dates?
CREATE TABLE table_22928 (
    "\u2116" real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (millions)" text
)
SELECT COUNT("Original air date") FROM table_22928 WHERE "#" = '7'
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 episode number 7, what was the numbers of original air dates? ### Input: CREATE TABLE table_22928 (
    "\u2116" real,
    "#" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (millions)" text
) ### Response: SELECT COUNT("Original air date") FROM table_22928 WHERE "#" = '7'