text: <start_of_text>Build Haystack qa system using TransformersReader, elasticsearch retriever and SQLDocumentStore<response>{"version": "1.6.0", "components": [{"name": "sql_document_store", "type": "SQLDocumentStore", "params": {"index": "document", "label_index": "label", "check_same_thread": false}}, {"name": "elasticsearch_retriever", "type": "ElasticsearchRetriever", "params": {}}, {"name": "transformers_reader", "type": "TransformersReader", "params": {"model_name_or_path": "distilbert-base-uncased-distilled-squad", "use_gpu": true, "top_k": 10, "top_k_per_candidate": 3, "max_seq_len": 256, "doc_stride": 128, "batch_size": 0}}], "pipelines": [{"name": "my_query_pipeline", "nodes": [{"inputs": ["Query"], "name": "elasticsearch_retriever"}, {"inputs": ["elasticsearch_retriever"], "name": "transformers_reader"}]}]}<end_of_text>