Complex sentence: He finished fourth and sixth in the two races in London, one place ahead of Piquet each time and ultimately finished eleven points behind Piquet and lost second to Sébastien Buemi, who won the first race.
Split into simpler sentences: He finished fourth and sixth in the two races in London, one place ahead of Piquet each time. As a result, the driver finished eleven points behind Piquet and lost second to Sébastien Buemi, who won the first race.