><span class="r-pr">#&gt;</span>                                    20 </span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># What was the first year of Hall of Fame elections?</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/sort.html" class="external-link">sort</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/unique.html" class="external-link">unique</a></span><span class="op">(</span><spa