Coming off their divisional road win over the 49ers, the Seahawks went home for a Week 9 duel with the Philadelphia Eagles.  In the first quarter, the 'Hawks immediately took flight as QB Seneca Wallace completed a franchise-long 90-yard TD pass to WR Koren Robinson.  In the second quarter, the Eagles took the lead as QB Donovan McNabb completed a 22-yard TD pass to WR Reggie Brown and a 1-yard TD pass to Todd Herremans. In the third quarter, Philadelphia continued its domination as kicker David Akers got a 39-yard and a 24-yard field goal.  In the fourth quarter, the Eagles flew away as Akers nailed a 42-yard and a 39-yard field goal.
Question: How many touchdown passing yards did Donovan McNabb have in total?
Answer: 23