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Review Query

// WP_Query arguments
$args = array(
	'post_type'              => array( 'reviews' ),
	'post_status'            => array( 'publish' ),
	'meta_query'             => array(
		array(
			'key'     => 'que_se_esta_valorando',
			'value'   => '284',
			'compare' => '=',
			'type'    => 'NUMERIC',
		),
	),
);

// The Query
$query = new WP_Query( $args );

// The Loop
if ( $query->have_posts() ) {
	while ( $query->have_posts() ) {
		$query->the_post();
		// do something
	}
} else {
	// no posts found
}

// Restore original Post Data
wp_reset_postdata();