SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function countSubstringsCaseInsensitiveUTF8 (children 1)
     ExpressionList (children 2)
      Literal \'ЯЯb\'
      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