SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function in (children 1)
     ExpressionList (children 2)
      Literal Tuple_(UInt64_1, UInt64_2, UInt64_3, UInt64_4, UInt64_5, UInt64_6, UInt64_7, UInt64_8, UInt64_9, UInt64_10, UInt64_11, UInt64_12, UInt64_13, UInt64_14, UInt64_15, UInt64_16, \'\')
      Literal Tuple_(UInt64_1, UInt64_2, UInt64_3, UInt64_4, UInt64_5, UInt64_6, UInt64_7, UInt64_8, UInt64_9, UInt64_10, UInt64_11, UInt64_12, UInt64_13, UInt64_14, UInt64_15, UInt64_16, \'a\')
