Input question: Heraclium mantegazzianum is a weed thought to be the largest in western Europe. What is its common name?

Output answer: giant hogweed

Input question: What is the name for playing the notes of a chord in sequence rather than all together?

Output answer: arpeggio

Input question: In which year were East and West Germany unified?

Output answer: 1990

Input question: The longest winning streak by any nation at an event in the Olympic Games was set by the USA, between 1896 and 1968. What was the event?

Output answer:
pole vault