mysql - php sql syntax, fetching random row w/ includes row with id variable -

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apologies not wording title properly. i'm looking pull random mysql id has genre value set electro 

select * rtsubmissions order rand() `$genretypefix` desc limit 0, 1

fred solved first part, order after where.. still cannot variable work though

edit: 

$sorttype = $_get['sort']; $genretype = $_get['gn']; $genretypefix = "genre='" . $genretype . "'"; if ($sorttype == 'new') {     $sql = " select * rtsubmissions order id desc limit 0, 1 "; } elseif ($sorttype == 'genre') { $sql = " select * rtsubmissions `$genretypefix` order rand() desc limit 0, 1 "; } else { $sql = " select * rtsubmissions order played desc limit 0, 1 "; }

edit2: removed ` per comment , works, thank-you

try this:

"select * rtsubmissions $genretypefix order rand() desc limit 0, 1"

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