how many original air date where family/families is the ryder family and the schwartz family
CREATE TABLE table_23404 (
    "No. overall" text,
    "No. in series" real,
    "Family/families" text,
    "Location(s)" text,
    "Original air date" text
)
SELECT COUNT("Original air date") FROM table_23404 WHERE "Family/families" = 'The Ryder Family and The Schwartz Family'
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 original air date where family/families is the ryder family and the schwartz family ### Input: CREATE TABLE table_23404 (
    "No. overall" text,
    "No. in series" real,
    "Family/families" text,
    "Location(s)" text,
    "Original air date" text
) ### Response: SELECT COUNT("Original air date") FROM table_23404 WHERE "Family/families" = 'The Ryder Family and The Schwartz Family'