user: Question: How many original air dates are there for the episode titled "Everyone Can't Be George Washington"?
Columns: ['Episode #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original airdate', 'Production code #']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [73.0, 401.0, '"Hawaii Bound"', 'Jack Arnold', 'Tam Spiva', 'September22,1972', 72.0]
SQL:

assistant: SELECT COUNT("Original airdate") FROM "Table" WHERE "Title" = '"Everyone Can''t Be George Washington"';