Question: What company owns a freight/passenger ferry that sailed for Finnish shipping company on their lake route which connected Helsinki, Finland to the capital and largest city of Estonia?
Sentence (from "MS Translandia"): She was built in 1976 by J. J. Sietas Werft, Hamburg, West Germany for Poseidon Schiffahrts oHG as MS "Transgermania.
Relevant evidence: No