Hierarchy Debugger:
controllers/app.php
controllers/index.php
controllers/singular.php
controllers/page.php
controllers/page-989.php
controllers/page-inspire-2018-sca-collateral.php

Controller Debugger:
$post » object
$site_name » string
$has_archive_header » boolean
$page_option_classes » string
$has_page_header » boolean
$featured_image » array[11]
$fields » array[4]
$page_header » NULL
$page_content » array[1]
$default_post_image » string
$default_download_image » string
$default_video_image » string
$header_options » array[2]
$footer_options » array[6]