Question: The 2005–06 Eintracht Frankfurt season was the 106th season, the club played in the 2005–06 Bundesliga was the 43rd season of the Bundesliga, which country's premier football league?
Sentence (from "2005–06 Eintracht Frankfurt season"): In 2005–06 the club played in the Bundesliga, the first tier of German football.
Relevant evidence: Yes