user: ### NOW ANSWER:
Question: How many years were there a men's double of György Vörös Gábor Petrovits and a men's single of György Vörös?
Columns: ['Year', "Men's singles", "Women's singles", "Men's doubles", "Women's doubles", 'Mixed doubles']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1960.0, 'Pál Rázsó', 'Endrene Komjatszegi', 'no competition', 'no competition', 'no competition']
SQL:

assistant: SELECT SUM("Year") FROM "Table" WHERE "Men's doubles" = 'György Vörös Gábor Petrovits' AND "Men's singles" = 'György Vörös';