SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function countSubstringsCaseInsensitive (children 1)
     ExpressionList (children 2)
      Literal \'abaaaa\'
      Function char (children 1)
       ExpressionList (children 1)
        Identifier number
   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