Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_41151 ( "Year" real, "Men's singles" text, "Women's singles" text, "Men's doubles" text, "Women's doubles" text, "Mixed doubles" text )

### Question ###
How many years were there a men's double of gy rgy v r s g bor petrovits and a men's single of gy rgy v r s?

### Accurate SQL ###

SELECT SUM("Year") FROM table_41151 WHERE "Men's doubles" = 'györgy vörös gábor petrovits' AND "Men's singles" = 'györgy vörös'