CREATE TABLE table_name_80 (year INT, competition VARCHAR, venue VARCHAR)

Which Year has a Competition of european indoor championships, and a Venue of budapest , hungary?
SELECT SUM(year) FROM table_name_80 WHERE competition = "european indoor championships" AND venue = "budapest , hungary"
SELECT SUM("year") FROM "table_name_80" WHERE "budapest , hungary" = "venue" AND "competition" = "european indoor championships"