my $min_phone_ids = $dbh->selectcol_arrayref("SELECT MIN(PhoneNumberID) FROM phone_numbers GROUP BY MemberID");
my $sql = <<EOF;
SELECT FirstName, LastName, PhoneNumber, members.MemberID AS MemberID
FROM members
LEFT JOIN phone_numbers ON 
  members.MemberID=phone_numbers.MemberID
EOF
$sql .= " AND phone_numbers.PhoneNumberID IN ("  . join(',','?' x @$min_phone_ids). ") "
$sql .= <<EOF;
  WHERE Verified=1
  ORDER BY LastName, FirstName, members.MemberID
EOF
$dbh->selectall_arrayref( $sql, {}, @$min_phone_ids );