Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
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Question: Context: Gerard Debreu (French: (db); 4 July 1921 -- 31 December 2004) was a French-born American economist and mathematician. 
 Question: What is the birth date of Gerard Debreu?

Answer: 4 july 1921


Question: Context: Villa Wartholz was designed by Heinrich von Ferstel in the historicist style in the years 1870 to 1872 for Archduke Karl Ludwig of Austria. 
 Question: What is the name of the Villa Wartholz architect?

Answer: heinrich von ferstel


Question: Context: The Chargers' fourteenth game was an interconference duel with the 49ers which was played on Thursday Night. The Chargers took a quick lead with QB Philip Rivers throwing a 58-yard TD pass to WR Vincent Jackson. The lead was extended in the second quarter by kicker Nate Kaeding nailing a 25-yard field goal, followed by Rivers finding Jackson on an 11-yard touchdown pass. The Chargers continued to dominate with FB Mike Tolbert getting a 1-yard TD run, followed by Rivers connecting to Jackson on a 48-yard TD pass, then with Kaeding hitting a 39-yard field goal. The 49ers made their only score of the game with RB Brian Westbrook getting a 1-yard TD run. This game was also a blowout and San Diego improved to 8-6. 
 Question: Which player caught the first touchdown of the game?

Answer:
vincent jackson