<start_of_text>Build Haystack question answer generation system with FARMReader and QuestionGenerator<response>{"version": "1.6.0", "components": [{"name": "question_generator", "type": "QuestionGenerator", "params": {}}, {"name": "farm_reader", "type": "FARMReader", "params": {"use_gpu": true, "no_ans_boost": 0.0, "top_k": 10, "top_k_per_sample": 1, "num_processes": 0, "max_seq_len": 256, "doc_stride": 128, "progress_bar": true, "confidence_threshold": 0}}], "pipelines": [{"name": "my_question_answering_pipeline", "nodes": [{"inputs": ["Query"], "name": "question_generator"}, {"inputs": ["question_generator"], "name": "farm_reader"}]}]}<end_of_text>