Question: The Big Blue is between Sydney FC and another team that competed in the AFC how many times ?
Context: Sydney FC, also known as Sydney FC W-League is a soccer club based in Sydney, New South Wales, Australia.  It competes in the country's premier women's soccer competition, the W-League and has a direct affiliation with the men's A-League team Sydney FC. The Big Blue, also known as The City Derby, is a match in Australia's premier soccer competition, the A-League.  It is contested between rivals Sydney FC ! Sydney FC and Melbourne Victory ! Melbourne Victory .  While the main colour of both teams are shades of the colour blue, in Australian English the word "blue" can also mean "a fight, brawl or heated argument". The 2011–12 season will be Sydney FC's seventh consecutive season in the Hyundai A-League since its foundation season in 2005–2006.  The club will not compete in the 2012 AFC Champions League after failing to qualify during the previous season.  The 2011–12 season also marks a new chapter in the history of the A-League, with new kit manufacturers for all teams.  Reebok had held the rights to jersey manufacturing rights for the first six A-League seasons.  Sydney FC announced Adidas as their new kit maker. The 2007–08 A-League was the 31st season of top-flight soccer in Australia, and the third season of the A-League competition since its establishment in 2004.  Football Federation Australia hoped to build on the success of the previous two seasons and on the interest generated by Sydney FC ! Sydney FC and Adelaide United ! Adelaide United playing in the 2007 AFC Champions League, and the Socceroos competing in the 2007 AFC Asian Cup. This is a list of competitions played by Sydney FC involving international clubs, from 2005 to the present season.  Despite their short history, Sydney FC have participated in many international tournaments and International friendlies, including the Asian Champions League and the Oceania Champions League (before the Football Federation Australia were admitted into the Asian Football Confederation).  Sydney FC alongside Adelaide United are the only teams to have represented the A-League in the FIFA Club World Cup.  Sydney FC are currently the only team to have represented the A-League in the Pan-Pacific Championship during the 2008 competition. Melbourne Victory Football Club is an Australian professional soccer club based in Melbourne, Victoria.  It competes in the country's premier competition, the A-League, under licence from Football Federation Australia.  Victory entered the competition in the inaugural season as the only Victorian-based club in the newly revamped domestic Australian league.  Recognised as the most supported, and currently the most successful club in the league to date, the club has won three A-League Championships, three A-League Premierships, one Pre-Season Challenge Cup and one FFA Cup, the only club to have won all four Australian soccer trophies.  They have also competed in the AFC Champions League on five occasions, with qualification of a sixth occasion confirmed. The 2006–07 season is Sydney FC's second season of soccer in Australia.  Sydney FC contested in the 2006–07 A-League, and after winning the inaugural A-League Championship in 2005–06, competed in the 2007 AFC Champions League as one of Australia's two representatives. Sydney Football Club , commonly known as Sydney FC, is an Australian professional soccer club based in Sydney, New South Wales.  It competes in the country's premier competition, the A-League, under licence from Football Federation Australia.  The club has won three A-League Championships (in 2006, 2010 and 2017) and two Premierships (2009–10 and 2016–17) and is the only A-League club to have won the OFC Champions League (in 2005).  Since 2006, A-League teams have competed in the AFC Champions League.  Sydney FC have participated in the group stage of the AFC Champions League three times, previously; in 2007, 2011 and 2016, qualifying for the knock-out phase of the tournament once and will return to the Asian Champions League in 2018.  Having won titles in the W-League and in the National Youth League Sydney hold the distinction of being the only club to have won the A-League alongside its two affiliated competitions. The 2006 A-League Grand Final took place at Aussie Stadium in Sydney on 5 March 2006.  Sydney FC ! Sydney FC had the home ground advantage after beating Adelaide United ! Adelaide United over 2 semifinal legs.  Sydney FC would eventually go on to take the honours of being crowned the first ever A-League Champions, defeating the Central Coast Mariners.  Steve Corica scored the only and winning goal in the 62nd minute after a pass from Sydney captain Dwight Yorke. The 2010–11 season was Sydney FC's sixth consecutive season in the A-League since the competition's inception.  The club will compete in the 2011 AFC Champions League after finishing premiers and champions in the 2009–10 A-League.  In the preseason, Sydney hosted the inaugural Sydney Festival of Football, which saw competition between three clubs from different European leagues and Sydney FC.
Answer: on five occasions