transformers gguf TensorBlock GGUF text2text-generation dataset:premai-io/spider dataset:premai-io/domains dataset:premai-io/birdbench dataset:gretelai/synthetic_text_to_sql base_model:premai-io/prem-1B-SQL base_model:quantized:premai-io/prem-1B-SQL endpoints_compatible region:us conversational