user: Question: How many episodes had a broadcast date and run time of 24:43?
Columns: ['Episode', 'Broadcast date', 'Run time', 'Viewers (in millions)', 'Archive']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['" Part One "', '4May1974', '24:40', '10.1', 'PAL 2" colour videotape']
SQL:

assistant: SELECT COUNT("Broadcast date") FROM "Table" WHERE "Run time" = '24:43';