Complex sentence: Round 15 of the championship took place at the Sepang circuit in Malaysia Marquez took his 4th consecutive Pole Position in qualifying with a last lap charge to depose Valentino Rossi from the front of the grid.
Split into simpler sentences: Round 15 of the championship took place at the Sepang circuit in Malaysia. Márquez took his 4th consecutive Pole Position in qualifying with a last lap charge to depose Valentino Rossi from the front of the grid.