Table: hungarian_national_badminton_champs
Columns: year
men_s_singles
women_s_singles
men_s_doubles
women_s_doubles
mixed_doubles

Question: How many years were there a men's double of györgy vörös gábor petrovits and a men's single of györgy vörös?
SQL: SELECT SUM("year") FROM hungarian_national_badminton_champs WHERE "men_s_doubles" = 'györgy vörös gábor petrovits' AND "men_s_singles" = 'györgy vörös'