select distinct p.operatorId from tbl_CRM_Participants p inner join tbl_CRM_MarketingActivities m on m.marketingActivityId = p.marketingActivityId and m.ownerId = p.ownerId and m.ownerType = p.ownerType inner join tbl_CRM_MarketingActivityTargets t on t.marketingActivityId = m.marketingActivityId and t.ownerId = m.ownerId and t.ownerType = m.ownerType where p.ownerId = and p.ownerType = and p.marketingActivityId =