Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 1)
     Function negate (children 1)
      ExpressionList (children 1)
       Function negate (children 1)
        ExpressionList (children 1)
         Function toUInt64 (children 1)
          ExpressionList (children 1)
           Function negate (children 1)
            ExpressionList (children 1)
             Literal UInt64_1