Question: what is the songkran festival and what does it mean
[{'answer': "`` astrological passage ''"}, {'answer': "the Thai New Year 's national holiday"}, {'provenance': [{'wikipedia_id': '176457', 'title': 'Songkran (Thailand)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 787, 'bleu_score': 0.786740002331146, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18223241783966738112}, 'section': 'Section::::Abstract.'}]}]