input question: Formulate an answer to this elaborate question: The Cheakamus Valley basalts are part of what southwestern British Columbia formation????
output answer: Cascade Volcanoes

Formulate an answer to this elaborate question: What cultural heritage does the director of the music videos for The xx most identify with?
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Answer: Swedish

Q: Formulate an answer to this elaborate question: Which ended on an earlier date in May of its corresponding year, 2010–11 La Liga or 2009–10 La Liga?
A: 2009–10 La Liga

Question: Formulate an answer to this elaborate question: Are Ryan Key and Gerry Marsden from the same country?
Answer: no

[Q]: Formulate an answer to this elaborate question: Are The Million Dollar Duck and A Far Off Place both American films?
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[A]: yes

Problem: Given the question: Formulate an answer to this elaborate question: Which system of locks, canals and channels is Notre Dame Island located immediately west of?
++++++++++++++++++++++++++++++++
The answer is:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The Saint Lawrence Seaway