 Complete the following phrase:  Kartikeyan qualified last for the following five races bar in Spain where Lewis Hamilton was excluded from qualifying and in Monaco where Sergio Pérez crashed without setting a time however he started 24th and last twice in Bahrain and Canada due to other drivers picking up grid penalties. In China he finished 22nd, ahead of Caterhams Heikki Kovalainen. In Bahrain, he finished 21st and was classified ahead of the Williams of Bruno Senna who retired due to brake issues. In Spain he retired after a wheel nut failure on lap 22 due to a botched pit stop. In Monaco he started 22nd, ahead of Perez and the penalised Pastor Maldonado and finished the race in 15th, classified ahead of McLarens Jenson Button who retired after collision damage with Kovalainen. In 