In what year did the author who received the Royal Society University Research Fellowship in 2011 graduate with a PhD on reinforcement learning?
2009
David Silver et al.: Arc Carving: Obtaining Accurate, Low Latency Maps from Ultrasonic Range Sensors. (2004) authored by David Silver. David M. Bradley et al.: Scan matching for flooded subterranean voids. (2004) authored by David Silver. David Silver is the alternative name for David Silver. Vivek Veeriah et al.: Discovery of Useful Questions as Auxiliary Tasks. (2019) authored by David Silver. Christopher Grimm et al.: Proper Value Equivalence. (2021) authored by David Silver. David Silver is one of the most published members of staff at Google DeepMind, with over 170,000 citations and an h-index of 86.
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Question: In what year did the author who received the Royal Society University Research Fellowship in 2011 graduate with a PhD on reinforcement learning?
Context: David Silver et al.: Arc Carving: Obtaining Accurate, Low Latency Maps from Ultrasonic Range Sensors. (2004) authored by David Silver. David M. Bradley et al.: Scan matching for flooded subterranean voids. (2004) authored by David Silver. David Silver is the alternative name for David Silver. Vivek Veeriah et al.: Discovery of Useful Questions as Auxiliary Tasks. (2019) authored by David Silver. Christopher Grimm et al.: Proper Value Equivalence. (2021) authored by David Silver. David Silver is one of the most published members of staff at Google DeepMind, with over 170,000 citations and an h-index of 86.
[/INST] Answer:
