如何从嵌套的json文件创建Athena表？这是我的示例json文件。我只需要选择的关键值对，例如roofcondition和garagestalls。
{ "reportId":"7bc7fa76-bf53-4c21-85d6-118f6a8f4244",
"reportOrderedTS":"1529996028730",
"createdTS":"1530304910154",
"report":"{'summaryElements': [{'value': 'GOOD', 'key': 'roofCondition'},
{'value': '98', 'key': 'storiesConfidence'}{'value': '0', 'key':
'garageStalls'}], 'elements': [{'source': 'xyz', 'imageId': '0xxx_png',
'modelVersion': '1.21.0', 'key': 'pool'}, {'source': 'xyz', 'imageId': '0111_png', 'value': 'GOOD', 'modelVersion': '1.36.0', 'key': 'roofCondition','confidence': '49'}], }", "status":"Success", "reportReceivedTS":"1529996033830" }