Question: when was the first hunger games book published
[{'answer': '2008', 'provenance': [{'wikipedia_id': '20128213', 'title': 'The Hunger Games (novel)', 'start_paragraph_id': 1, 'start_character': 22, 'end_paragraph_id': 1, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'September 14 , 2008', 'provenance': [{'wikipedia_id': '20128213', 'title': 'The Hunger Games (novel)', 'start_paragraph_id': 18, 'start_character': 146, 'end_paragraph_id': 18, 'end_character': 165, 'bleu_score': 1.0, 'section': 'Section::::Publication history.\n'}]}, {'provenance': [{'wikipedia_id': '20128213', 'title': 'The Hunger Games (novel)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 530, 'bleu_score': 0.857391307524046, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12719461466671710612}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20128213', 'title': 'The Hunger Games (novel)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 654, 'bleu_score': 0.9416053394326551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12719461466671710612}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20128213', 'title': 'The Hunger Games (novel)', 'section': 'Section::::Publication history.\n', 'start_paragraph_id': 18, 'end_paragraph_id': 18, 'meta': {'evidence_span': ['First published as a hardcover in the United States on September 14, 2008, "The Hunger Games" had a first printing of 50,000\xa0copies', 'After writing the novel, Collins signed a six-figure deal for three books with Scholastic. First published as a hardcover in the United States on September 14, 2008, "The Hunger Games" had a first printing of 50,000\xa0copies, which was bumped up twice to 200,000\xa0copies. By February 2010, the book had sold 800,000\xa0copies, and rights to the novel had been sold in 38 territories worldwide. A few months later, in July, the book was released in paperback. "The Hunger Games" entered the "New York Times" Best Seller list in November 2008, where it would feature for over 100\xa0consecutive weeks. By the time the film adaptation of "The Hunger Games" was released in March 2012, the book had been on "USA Today"s best-sellers list for 135 consecutive weeks and has sold over 17.5 million copies.']}}]}, {'provenance': [{'wikipedia_id': '1553175', 'title': 'The Very Hungry Caterpillar', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Very Hungry Caterpillar is a children\'s picture book designed, illustrated, and written by Eric Carle, first published by the World Publishing Company in 1969, later published by Penguin Putnam. It features a caterpillar who eats his way through a wide variety of foodstuffs before pupating and emerging as a butterfly. The winner of many children\'s literature awards and a major graphic design award, it has sold almost 50 million copies worldwide. It has been described as having sold the equivalent of a copy per minute since its publication. It has been described as "one of the greatest childhood classics of all time." It was voted the number two children\'s picture book in a 2012 survey of "School Library Journal" readers.', 'The Very Hungry Caterpillar is a children\'s picture book designed, illustrated, and written by Eric Carle, first published by the World Publishing Company in 1969, later published by Penguin Putnam. It features a caterpillar who eats his way through a wide variety of foodstuffs before pupating and emerging as a butterfly. The winner of many children\'s literature awards and a major graphic design award, it has sold almost 50 million copies worldwide. It has been described as having sold the equivalent of a copy per minute since its publication. It has been described as "one of the greatest childhood classics of all time." It was voted the number two children\'s picture book in a 2012 survey of "School Library Journal" readers.']}}]}]