user: Question: How many runtimes does episode 53 have?
Columns: ['Episode #', 'Airdate', 'Movie Title and Year', 'Main Cast', 'Network TV Run Time']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [31.0, '9/22/1962', 'Gentlemen Prefer Blondes (1953)', 'Jane Russell , Marilyn Monroe , Charles Coburn', '2 hours']
SQL:

assistant: SELECT COUNT("Network TV Run Time") FROM "Table" WHERE "Episode #" = 53.0;