<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 many species of sharks are there in the world? Context: There are over 500 species of sharks in the world. Answer: [/INST]There are over 500 species of sharks.</s>