Question: How many lanes does an olympic pool have?
qaPairs: question: How many total lanes does an olympic pool have since 2008?
answer: 10
ten
question: How many lanes does an olympic pool have for racing, disregarding the empty lanes since 2008?
answer: 8
eight
question: How many lanes does an olympic pool have prior to 2008?
answer: 8
eight
8-lane