Complex sentence: He easily won the Democratic nomination, capturing nearly 80% of the vote in a six-candidate primary, and faced Republican 4th District Congressman Van Hilleary in November (the incumbent, Sundquist, was term-limited).
Split into simpler sentences: He easily won the Democratic nomination, capturing nearly 80% of the vote in a six-candidate primary. He faced Republican 4th District Congressman Van Hilleary in November (the incumbent, Sundquist, was term-limited).