text: <start_of_text>Build Haystack faq pipeline using elasticsearch retriever and open search document store<response>{"version": "1.6.0", "components": [{"name": "open_search_document_store", "type": "OpenSearchDocumentStore", "params": {"password": "admin", "label_index": "label", "name_field": "name", "create_index": true, "refresh_type": "wait_for", "return_embedding": false, "duplicate_documents": "overwrite", "skip_missing_embeddings": true, "use_system_proxy": false}}, {"name": "elasticsearch_retriever", "type": "ElasticsearchRetriever", "params": {}}], "pipelines": [{"name": "my_doc_search_pipeline", "nodes": [{"inputs": ["Query"], "name": "elasticsearch_retriever"}, {"inputs": ["elasticsearch_retriever"]}]}]}<end_of_text>