-7726?) UNION ALL SELECT 90,90,90,CONCAT(0x7176766271,0x53556f734f566653674f596f654662596d79784f4a62

Describe -7726?) UNION ALL SELECT 90,90,90,CONCAT(0x7176766271,0x53556f734f566653674f596f654662596d79784f4a62 here.