Table:
text: List of Formula One driver records
Most championship points in a season
Most championship points in a season
Driver Points Season Races Percentage_of_possible_points
Sebastian Vettel 392 2011 19 82.53%
Sebastian Vettel 347 2013 * 17 81.64%
Sebastian Vettel 281 2012 20 56.20%
Fernando Alonso 278 2012 20 55.60%
Jenson Button 270 2011 19 56.84%
Mark Webber 258 2011 19 54.32%
Fernando Alonso 257 2011 19 54.11%
Sebastian Vettel 256 2010 19 53.89%
Fernando Alonso 252 2010 19 53.05%
Mark Webber 242 2010 19 50.95%

Question: Which driver among the Formula 1 driver records had more than 252 points with a percentage of possible points of 55.60% in the 2012 season? Most championship points in a season?

Question: What is the number of races held with 257 points below the most championship points Formula 1 drivers records in a season?

Question: From the list of Formula 1 drivers records with most championship points in a season, what was the average points of the season Fernando Alonso had with a possible points percentage of 53.05%?