SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    WithElement (children 1)
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 3)
         ExpressionList (children 1)
          Identifier a
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier pr_1
         Function greaterOrEquals (children 1)
          ExpressionList (children 2)
           Identifier a
           Literal UInt64_100
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier pr_2
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier filtered_groups
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier pr_2.a
        Identifier filtered_groups.a
   Set
