JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.css">
<script src="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.js"></script>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.4.1/bootstrap-select.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.4.1/bootstrap-select.js"></script>
<body>
<div class="container" style="padding-top: 70px;">
<div class="row">
<label>Working ok</label>
<p><a title="Title is Here!" class="btn btn-primary">Hover Me!</a></p>
</div>
<div class="row">
<label>Doesn't matter the name selected, only the first is in title, and there is no "Select a Person" as default. An "secondary" title shows with the corrected name</label>
<select name="People" class="selectpicker" data-style="btn-default" data-width="100%" title='Select a Person'>
<option value="John">John</option>
<option value="Paul">Paul</option>
<option value="Mary">Mary</option>
<option value="Jane">Jane</option>
<option value="Elisa">Elisa</option>
</select>
</div>
<div class="row">
<label>Using multiple the name selected shows in title. An "secondary" title shows with names selected</label>
<select name="People" class="selectpicker" data-style="btn-default" data-width="100%" title='Select a Person' multiple>
<option value="John">John</option>
<option value="Paul">Paul</option>
<option value="Mary">Mary</option>
<option value="Jane">Jane</option>
<option value="Elisa">Elisa</option>
</select>
</div>
</div>
</body>
JavaScript
$('.selectpicker').selectpicker();
$('[title]').tooltip({container: 'body'});
$(document).on('hidden.bs.tooltip', '.dropdown-toggle.selectpicker[title]', function (e) {
$(this).attr('data-original-title', $(this).attr('title'));
});