<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:  What are some important factors to consider in urban planning? Context: Important factors to consider in urban planning are population density, land use, transportation infrastructure, and environmental sustainability. Answer: [/INST]Some important factors to consider in urban planning include population density, land use, transportation infrastructure, and environmental sustainability.</s>