aggregate

[BOb Vazoni]

I am selecting an aggregate function but i do not know how to reference it so it can be printed. sample below.
$sqlb = "SELECT name, count(score) as count FROM scores
where name = '$playername' group by name";
$resultb = mysqli_query($conn, $sqlb);
$rowb = $resultb->fetch_assoc() ;


if (mysqli_num_rows($resulta) > 0) { // output data of each row




// output data of each row

echo "<h1>" . $rowa["firstname"] . "&nbsp" . $rowa["lastname"]. "&nbsp" . "&nbspHometown: " . $rowa["home"]. "</h1>";
echo $rowa["firstname"] . " has played in " . $count . " events. See below for statistics." ;
echo "<tr><td>" . $rowa["bio"] . "<br>";}


have tried many ways, but unsuccessful....please excuse a newbie.
Thanks.