Complex sentence: His best qualifying effort was 21st of 22 cars at his debut at Bahrain, where the 22nd starter, Kimi Räikkönen, did not complete a qualifying attempt.
Split into simpler sentences: His best qualifying effort was 21st of 22 cars at his debut at Bahrain. At Bahrain, the 22nd starter, Kimi Räikkönen, did not complete a qualifying attempt.