compare product block display left sidebar_additional block in magento 2.3.5

how to compare products block define and call in our theme in magento 2.3.5

Now Please check our xml file

app/design/frontend/Mageplaza/simple/Magento_Theme/page_layout/2columns-left.xml

<?xml version="1.0"?>
<!--
/**
* Copyright © 2015 Magento. All rights reserved.
* See COPYING.txt for license details.
*/
 -->
 <layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_layout.xsd">
<update handle="1column"/>
<move element="catalog.leftnav" destination="sidebar.main" after="current"/>
<referenceContainer name="columns">
    <container name="div.sidebar.main" htmlTag="div" htmlClass="sidebar sidebar-main" after="main"> 
        <container name="sidebar.main" as="sidebar_main" label="Sidebar Main" before="-"/>
        <container name="sidebar.additional" as="sidebar_additional" label="Sidebar Additional"/>
    </container>
    <container name="div.sidebar.additional" htmlTag="div" htmlClass="sidebar sidebar-additional" after="div.sidebar.main">
        <container name="sidebar.additional" as="sidebar_additional" label="Sidebar Additional"/>
    </container>
</referenceContainer>
</layout>