private function getByCountryAndBusinessQuery()
    {
        if (null === $this->byCountryAndBusinessQuery) {
            $qb = $this->getBaseQueryBuilder();

            $this->byCountryAndBusinessQuery = $qb
                ->andWhere($qb->expr()->eq('r.business', ':business'))
                ->getQuery()
                ->setParameter('business', true)
                ->setMaxResults(1);
        }

        return $this->byCountryAndBusinessQuery;
    }