<start_of_text>Build faq system consisting of ElasticsearchRetriever and in memory document store<response>{"version": "1.6.0", "components": [{"name": "in_memory_document_store", "type": "InMemoryDocumentStore", "params": {"label_index": "label", "embedding_dim": 768, "return_embedding": false, "similarity": "dot_product", "progress_bar": true, "duplicate_documents": "overwrite", "use_gpu": true, "scoring_batch_size": 500000}}, {"name": "elasticsearch_retriever", "type": "ElasticsearchRetriever", "params": {}}], "pipelines": [{"name": "my_doc_search_pipeline", "nodes": [{"inputs": ["Query"], "name": "elasticsearch_retriever"}, {"inputs": ["elasticsearch_retriever"]}]}]}<end_of_text>