Instructions: In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Input: Passage: During his professional career his ranking peaked at 116 in 1985, a year in which he made the round of 16 at the WCT Tournament of Champions in Forest Hills. One of his wins in that tournament was over 10th seed Tim Wilkison, then ranked 36th in the world. In 1985 he also had a win over Thomas Muster, en route to the final of the Parioli Challenger. In the final he saved two match points to defeat Simone Colombo in a last set tiebreak. It was the first of two Challenger tournaments that he won, the other was the 1988 Crans-Montana Challenger. In 1989 he made the quarter-finals of a Grand Prix tournament, the Rio de Janeiro Open, and beat Petr Korda at a Challenger event in Clermont-Ferrand.
 Link Information: none Answer: none
Output:
Of the two players Rivas defeated in tournaments in 1985, who was ranked higher?