Problem: Does "Another innovation was the boiler fire." answer the question "Two tanks one of oil, one of water fed what kind of fire?"

A: yes

Problem: Does "Signal Hill is a hill which overlooks the city of St. John's." answer the question "What year was Cabot Tower built?"

A: no

Problem: Does "Barca's local rival has always been Espanyol." answer the question "What team is Barcelona's local rival?"

A:
yes