JSFiddle - React, Tailwind, and code Playground

HTML

<div class="question">
            <div class="button" data-q="1" data-a="1"><a href="javascript:void();">2002</a></div>
            <div class="button" data-q="1" data-a="2" data-g="true"><a href="javascript:void();">2010</a></div>
            <div class="button" data-q="1" data-a="3"><a href="javascript:void();">1985</a></div>
            <div class="button" data-q="1" data-a="4"><a href="javascript:void();">2013</a></div>
        </div>

JavaScript

$('.question .button a').click(function() {
    var aText = $(this).closest('.question').find("[data-g='true']").text();
    alert(aText);
});