Complex sentence: He won the tournament, granting him a match for the WWE Championship at WrestleMania 22, where Triple H and John Cena fought in the main event for the title, which Triple H lost via submission.
Split into simpler sentences: He won the tournament, granting him a match for the WWE Championship at WrestleMania 22. At WrestleMania, Triple H and John Cena fought in the main event for the title, which Triple H lost via submission.