SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function arrayLastIndex (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 1)
          Identifier x
        Function greaterOrEquals (children 1)
         ExpressionList (children 2)
          Identifier x
          Literal UInt64_2
      Literal Array_[UInt64_1, UInt64_2, UInt64_3]
