Database: european_football_1
Question: How many matches of the Bundesliga division ended with an away victory in the 2021 season?
SQL: SELECT COUNT(T1.Div) FROM matchs AS T1 INNER JOIN divisions AS T2 ON T1.Div = T2.division WHERE T2.name = 'Bundesliga' AND T1.FTR = 'A' AND T1.season = 2021