The Cedar Grove Open is a defunct tennis tournament that was played on the Grand Prix tennis circuit in 1974. The event was held in Cedar Grove, New Jersey. Ilie Năstase won the singles title while Kim Warwick and Steve Siegel partnered to win the doubles title. Using only the above description and what you know about the world, "Large crowds gathered to watch the Cedar Grove Open." is definitely correct, incorrect, or inconclusive? 