user: Question: Name the total number of date of vacancy for manner of departure being Resigned and outgoing manager is Geninho
Columns: ['Team', 'Outgoing manager', 'Manner of departure', 'Date of vacancy', 'Last match', 'Replaced by']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Atlético Mineiro', 'Geninho', 'Resigned', 'Round 1', 'Botafogo 2-0 Atlético Mineiro 1', 'Alexandre Gallo']
SQL:

assistant: SELECT COUNT("Date of vacancy") FROM "Table" WHERE "Manner of departure" = 'Resigned' AND "Outgoing manager" = 'Geninho';