Staff who worked at facility at least one day from October 1 through March 31:Num:RptPeriod:{Setting}^Population:Qn
staff who worked at facility at least one day from october 1 through march 31:num:rptperiod:{setting}^population:qn
Staff [#] who worked at facility at least one day from October 1 through March 31
staff [#] who worked at facility at least one day from october 1 through march 31