SPRINGFIELD — In deciding whether a mental health expert should have known a patient might commit suicide, a jury answered yes. It also answered no.It determined the expert, a licensed clinical social worker named Lori Ortberg, did bear some responsibility for not intervening before the patient, Keith Stanphill, killed himself just days after his exam in October 2005, awarding his estate about $1.5 million in damages.But when asked specifically whether Ortberg should have “reasonably” foreseen the suicide …