transformers safetensors llama text-generation merge medical en zh dataset:GBaker/MedQA-USMLE-4-options dataset:cognitivecomputations/samantha-data dataset:shibing624/medical base_model:Severus27/BeingWell_llama2_7b base_model:ParthasarathyShanmugam/llama-2-7b-samantha license:llama2 model-index autotrain_compatible endpoints_compatible text-generation-inference region:us