SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function parseDateTime64BestEffort (children 1)
     ExpressionList (children 3)
      Literal \'2020-05-14 03:37:03\'
      Literal UInt64_3
      Literal \'UTC\'