//Type 1
<?php $whoWeAre = get_post_custom_values($key = 'who-we-are-section-title');
			if( !empty( $whoWeAre[0] )) {
						?>

//your code
<?php } ?>

//Type 2
<?php $mykey_values = get_post_custom_values( 'capabilities-button-text' );
if( !empty( $mykey_values[$i] )) { ?>
//your code
<?php } ?>