# Pastebin xhVsoW2A
method get-height(:$species, :$form) {
    my $query = dbh.prepare(qq:to/STATEMENT/);
           SELECT height FROM pokeapi_pokedex WHERE species = ?;
        STATEMENT

    $query.execute($species);

    my %heights = from-json($query.row);
    my %height = self.values-or-defaults(%heights, $form);

    my $height = %height<$form>;
    return $height;
}