transformers safetensors llama text-generation stabilityai/StableBeluga-7B langchain opensource stabilityai SatbleBeluga-7B text2text-generation en dataset:samadpls/querypls-prompt2sql-dataset dataset:b-mc2/sql-create-context license:apache-2.0 autotrain_compatible text-generation-inference endpoints_compatible 8-bit bitsandbytes region:us