Question: what opera was Aatos Abel Tapala in that was originally wrote by Hugo von Hofmannsthal? 
Sentence (from "Aatos Tapala"): Throughout the course of his lifetime Tapala has participated in various roles in operas and musicals such as "Tamino" in "Taikahuilu", "Basilio" in "Figaron häät", "Perämies" in "Lentävä hollantilainen", "Aegisthus" in "Elektra", "Maalari" in Lulu, "Šemeikka" in "Juha" and "Tony" in "West Side Story".
Relevant evidence: Yes