context: Hoping to avoid an 0-3 start, the Chargers went home for a Week 3 MNF duel with the New York Jets.  In the first quarter, San Diego trailed early as Jets CB David Barrett returned an interception 25 yards for a touchdown on QB Philip Rivers' first attempted pass of the game.  The Chargers responded with kicker Nate Kaeding's 36-yard field goal and a Rivers 1-yard TD pass to rookie FB Mike Tolbert.  In the second quarter, the 'Bolts increased their lead as CB Antonio Cromartie returned an interception 52 yards for a touchdown.  New York tried to answer as QB Brett Favre completed a 3-yard TD pass to WR Laveranues Coles, yet the Chargers replied with Rivers completing a 27-yard TD pass to WR Chris Chambers and a 6-yard TD pass to TE Antonio Gates. In the third quarter, San Diego continued its march as RB LaDainian Tomlinson got a 2-yard TD run.  In the fourth quarter, the Jets tried to rally as Favre completed a 4-yard TD pass to WR Chansi Stuckey (with a failed 2-point conversion) and kicker Jay Feely got a 32-yard field goal.  San Diego would answer with Tomlinson's 2-yard TD run.  New York tried to make another rally as Favre completed a 13-yard TD pass to TE Dustin Keller (with another failed 2-point conversion), yet the 'Bolts pulled away as Kaeding nailed a 49-yard field goal.
question: How many two yard touchdown runs did Tomlinson have?
answer: 2