Question: In what year did the water park that Surfrider is part of rank first in Australia?

full_context: Document 1: Ocean Water Park: Ocean Water Park is a 5.6 hectare outdoor water park located in Kish Island, Iran. It is the first Iranian themed water park and outdoor water park, themed based on story of the Mystery of the Sun Castle. It opened in January 2017 and has 13 rides, four swimming pools and one spa in addition to two restaurants, four beverage stops and coffee shops and two shopping areas. The Water Park's theming has been implemented under the supervision of Ahmad Jafari, veteran architect and Disney NFFC legend.
Document 2: Steel roller coaster: A steel roller coaster is a roller coaster that is defined by having a track made of steel. Steel coasters have earned immense popularity in the past 50 years throughout the world. Incorporating tubular steel track and polyurethane-coated wheels, the steel roller coasters can provide a taller, smoother, and faster ride with more inversions than a traditional wooden roller coaster.
Document 3: Wing Coaster: A Wing Coaster is a type of steel roller coaster manufactured by Bolliger & Mabillard where pairs of riders sit on either side of a roller coaster track in which nothing is above or below the riders. Development of the Wing Coaster began between 2007 and 2008 leading to the opening of Raptor at Gardaland, the world's first Wing Coaster, on 1 April 2011. There are currently eight Wing Coasters operating worldwide.
Document 4: Wet'n'Wild (brand): Wet'n'Wild is a brand used for many water parks across the world owned by Village Roadshow Theme Parks and CNL Lifestyle Properties. It is not to be confused with the Wet 'n Wild brand originally owned by SeaWorld creator George Millay or Wet 'N' Wild Waterworld, a stand-alone water park in Anthony, Texas.
Document 5: Sea World (Australia): Sea World is a marine mammal park, oceanarium, and theme park located on the Gold Coast, Queensland, Australia. It includes rides, animal exhibits and other attractions, and it promotes conservation through education and the rescue and rehabilitation of sick, injured or orphaned wildlife. The park is commercially linked to Warner Bros. Movie World and Wet'n'Wild Gold Coast as part of the theme park division of Village Roadshow.
Document 6: Wave Breaker: The Rescue Coaster: Wave Breaker: The Rescue Coaster is a double launch roller coaster currently operating at SeaWorld San Antonio. The roller coaster is designed to emphasize SeaWorld's animal rescue efforts. It is the first jet ski roller coaster in North America and would incorporate cars designed as jet skis used by SeaWorld's rescue team. Most of the track was built over the park's lake.
Document 7: Wet'n'Wild Gold Coast: Wet'n'Wild Gold Coast is a massive water park situated in Oxenford, Gold Coast, Queensland, Australia, owned and operated by Village Roadshow Theme Parks. In 2009, the park received 1,095,000 visitors ranking it first in Australia and eighth in the world. Wet'n'Wild Gold Coast is located adjacent to Warner Bros. Movie World, a movie-related park also owned by Village Roadshow Theme Parks. The park remains open all year with all of the pools and slides heated during the winter months. It is one of seven water parks operating under the Wet'n'Wild brand globally.
Document 8: Thunder River Rapids Ride: The Thunder River Rapids Ride was a river rapid water ride located in the Town of Gold Rush section of Dreamworld on the Gold Coast, Australia. It was recently Australia's only river rapids ride; however, a previous Rapids ride, The Snowy River Rampage operated at Wonderland Sydney.
Document 9: Wet 'n Wild Orlando: Wet 'n Wild Orlando was the flagship water park of Wet 'n Wild owned by NBC Universal, located on International Drive in Orlando, Florida. It was founded in 1977 by SeaWorld creator George Millay and is considered America's first water park. It closed on December 31, 2016, to be replaced by another water park named Universal's Volcano Bay.
Document 10: SeaWorld Orlando: SeaWorld Orlando is a theme park and marine zoological park, located in Orlando, Florida. It is owned and operated by SeaWorld Parks & Entertainment. When combined with its neighbor Discovery Cove and Aquatica, it forms SeaWorld Parks and Resorts Orlando, an entertainment complex consisting of the three parks and many neighboring hotels. In 2016, SeaWorld Orlando hosted an estimated 4,402,000 guests, ranking it the tenth most visited amusement park in the United States and twenty-fifth worldwide.
Document 11: Tower of Terror II: The Tower of Terror II is a steel shuttle roller coaster located at the Dreamworld amusement park on the Gold Coast, Queensland, Australia. When the Tower of Terror opened on 23 January 1997, it was the first roller coaster in the world to reach 160.9 km/h speeds making it the tallest and fastest roller coaster in the world of its time. The ride is situated on the Dreamworld Tower which also houses The Giant Drop free fall ride. The ride was originally known as the "Tower of Terror" until it was modified and relaunched in September 2010.
Document 12: Surfrider: Surfrider is a steel shuttle roller coaster at Wet'n'Wild Gold Coast located at Oxenford, Gold Coast, Australia. The ride is an Intamin Half Pipe roller coaster that opened in September 2007.
Document 13: Steel Eel: Steel Eel is a custom roller coaster built by D. H. Morgan Manufacturing. At a height of 150 feet, "Steel Eel" is the tallest roller coaster at SeaWorld San Antonio and was the second coaster built by SeaWorld, following The Great White (1997), after new management felt the park needed to offer more thrilling rides. "Steel Eel" had to be custom built to fit along the slim area beside the lake and utilizes a simple lapbar and seatbelt restraint system. Key elements of "Steel Eel" include two hills after the lift hill with a small valley between the two and a diving dogleg turn and triple humpback hills after its mid-course brake run. With a paint scheme consisting of bright yellow track and teal-green supports, it has become a permanent staple in the park's skyline.
Document 14: Wet 'n Wild Emerald Pointe: Wet 'n Wild Emerald Pointe (often simply referred to as Wet 'n Wild or Emerald Pointe) is a water park located in Greensboro, North Carolina, United States, and is part of the Wet 'n Wild chain of water parks. There are 14 slides, 5 pools, and 2 children areas. The Themed Entertainment Association has ranked the park 20th in North America in terms of attendance, of which they had 407,000 visitors as of 2015. Major regional competitors are Carowinds' Carolina Harbor in Charlotte, North Carolina and Dollywood's Splash Waterpark in Pigeon Forge, Tennessee.
Document 15: Jet Rescue: Jet Rescue is a steel launched jet ski roller coaster made by Intamin that opened on 26 December 2008 at Sea World on the Gold Coast, Australia. The ride has a very twisted and banked layout with several fast directional changes. Unlike other family launch roller coasters, Jet Rescue features two launches. The ride features a unique jet ski style of seating with lap bar restraints. The ride is based upon Sea World's Research and Rescue Foundation performing the rescue of a sea lion.
ground_truth: 2009