SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function parseDateTime64BestEffort (children 1)
     ExpressionList (children 3)
      Literal \'1969-07-20 20:17:40.123456\'
      Literal UInt64_6
      Literal \'UTC\'
