If a thinking TAG player opens on the CO and you are on the button what would be a good defending range live. Is it enough to flat a hand like QJo once to represent Q and J flops?

Text results appended to pokerstove.txt
15,529,140 games 0.120 secs 129,409,500 games/sec
Board: Qc Th 9s
Dead:

Hand 0: 56.345% 54.03% 02.32% 8389832 360033.00 { 66+, A9s+, KJs+, ATo+, KJo+ }
Hand 1: 43.655% 41.34% 02.32% 6419242 360033.00 { 22+, ATs+, KTs+, QTs+, AQo+, KQo, QJo }