<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  How long did it take to build the Eiffel Tower ? Context: The Eiffel Tower took 2 years, 2 months, and 5 days to build. Answer: [/INST]It took 2 years, 2 months, and 5 days to build the Eiffel Tower.</s>