DescribeQuery (children 1) TableExpression (children 1) Function format (children 1) ExpressionList (children 2) Identifier TSV Literal \'{\\\'key1\\\' : [[\\\'2020-01-01 00:00:00\\\']], \\\'key2\\\' : [[\\\'2020-01-01\\\']]}\\n{\\\'key1\\\' : [[\\\'2020-01-01\\\']], \\\'key2\\\' : [[\\\'Some string\\\']]}\'