Context : Boonsanong Punyodyana (Thai: บุญสนอง บุณโยทยาน; rtgs: Bunsanong Bunyothayan) was a Thai politician and General secretary of the Socialist Party of Thailand. 
Subject : Boonsanong Punyodyana 
Relation : date of death
The year Boonsanong Punyodyana died was what?