SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function countSubstringsCaseInsensitiveUTF8 (children 1)
     ExpressionList (children 2)
      Function upperUTF8 (children 1)
       ExpressionList (children 1)
        Function concat (children 1)
         ExpressionList (children 2)
          Function char (children 1)
           ExpressionList (children 1)
            Identifier number
          Literal \'я\'
      Function lowerUTF8 (children 1)
       ExpressionList (children 1)
        Function concat (children 1)
         ExpressionList (children 2)
          Function substringUTF8 (children 1)
           ExpressionList (children 2)
            Function char (children 1)
             ExpressionList (children 1)
              Identifier number
            Literal UInt64_2
          Literal \'Я\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_100
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier number
     Literal UInt64_65