Question: When did mt st helen's last erupt?
Answer: 2008
Disambiguated annotations:
qaPairs: question: When did mt st helen's last eruption end?
answer: July 10, 2008
question: When did mt st helen's last eruption begin?
answer: January 16, 2008
question: When did mt st helen's last major eruption occur?
answer: May 18, 1980