Question: When was the team that won the 1981-82 Turkish First Football League championship founded?

Context paragraphs:
Turkish Federation Cup: The Turkish Federation Cup (Turkish: Federasyon Kupası) was the first professional national league in Turkey and the predecessor to the Turkish First Football League.  It was organized by the Turkish Football Federation and was held in order to pick a team that would play in the European Cup.  Beşiktaş J.K. won it in the 2 years it was held before it changed to the Turkish First Football League.

2001–02 Süper Lig: The 2001-02 Turkish First Football League is the 44th edition of top-flight professional football in Turkey.  Galatasaray S.K. became champions for the 15th time.  Turkish First Football League was renamed as Turkish Super League in this season.

1974–75 Mersin İdmanyurdu season: Mersin İdmanyurdu (also "Mersin İdman Yurdu", "Mersin İY", or "MİY") Sports Club; located in Mersin, east Mediterranean coast of Turkey in 1974–75.  Mersin İdmanyurdu had relegated from Turkish First Football League in 1973–74 season.  It was the first relegation of the team after 7 season first league experience.  The 1974–75 season was the fifth season of Mersin İdmanyurdu (MİY) football team in Turkish Second Football League, the second level division in Turkey.  They finished 3rd in the red group.

List of Sunderland A.F.C. seasons: Sunderland Association Football Club was founded in 1879 as Sunderland & District Teachers Association Football Club by James Allan.  They turned professional in 1885.  Sunderland won their first Football League championship in the 1891–92 season two years after joining the league.  They won the next Football League First Division on three occasions in four seasons; in 1892, 1893 and 1895, separated by a runner-up spot in 1894.  In the 1901–02 season, Sunderland won their fifth Football League First Division championship.  They came close to completing the "league and cup double" in the 1912–13 season, winning the league but losing to Aston Villa in the 1913 FA Cup Final.  The team's next success came in the 1935–36 season when they won the League Championship and also the Charity Shield.  They had not won the FA Cup until the 1936–37 season when they defeated Preston North End in the 1937 FA Cup Final.  Sunderland entered The Football League in 1890 and were not relegated from the top division until the 1957–58 season; a total of 58 seasons in the highest division of England.  Their next trophy came in the 1973 FA Cup Final as they beat Leeds United 1–0.  They reached the 1985 Football League Cup Final but finished as runners-up to Norwich City after being beaten 1–0.  In the 1986–87 season Sunderland were relegated to the Football League Third Division for the first time in their history under the management of Lawrie McMenemy, they however, returned to the second division the following season as champions–their lowest position in the English football league system.  Their first appearance in the Premier League came in the 1999–2000 season after being promoted as champions from Division One.  In winning promotion the club gained 105 points, which was a record at the time.  Sunderland gained just 15 points in the 2005-06 season, which set the record for the lowest number of points in a Premier League season, which has since been eclipsed by Derby County.

1967–68 Mersin İdmanyurdu season: Mersin İdmanyurdu (also "Mersin İdman Yurdu", "Mersin İY", or "MİY") Sports Club; located in Mersin, east Mediterranean coast of Turkey in 1967–68.  Mersin İdmanyurdu (MİY) football team played in Turkish First Football League, the first level division for the first time in 1967–68 season.  They finished tenth.  In their first season they have become one of the most scorer teams.  In Turkish Cup they were eliminated at second round.  Before the season MİT had sent an offer to former coach of Turkish national football team Sandro Puppo.  However, later Cihat Arman has signed as coach.  Bayram Birinci was trainer.

Beşiktaş J.K.: Beşiktaş Jimnastik Kulübü (] , English: Beşiktaş Gymnastics Club ), known as simply Beşiktaş (pronounced: "Beshiktash"), is a Turkish sports club founded in 1903, and based in the Beşiktaş district of Istanbul.

Engin İpekoğlu: He began his football career with Prater SV, an Austrian team, in 1978.  He transferred to Sakaryaspor in 1982, became professional in Sakaryaspor in 1985, and won the Turkish Cup with the team in 1988.  He transferred to Beşiktaş in 1989.  With Beşiktaş, he won two Turkish First League titles (1990 and 1991) and one Turkish Cup (1990).  He transferred to Fenerbahçe in 1991, and was first goalkeeper until he got injured at the Kayserispor match in the 1994-95 season.  İpekoğlu won the Turkish First League title again with Fenerbahçe in 1996.  He transferred to Çanakkale Dardanelspor, which got promoted to Turkish First League in the 1995-96 season, and he became first goalkeeper there until Çanakkale Dardanelspor's relegation to Turkish Second League in the 1998-99 season.  He returned to Fenerbahçe and kept Fenerbahçe's goal for seven more games.  He was also capped for the Turkish national football team 32 times, beginning with a friendly against Greece on 21 September 1988.

1991–92 Beşiktaş J.K. season: The 1991-92 season was the club's 34th season in the Turkish First Football League.  It was also one of the club's most successful seasons.  They won the Turkish First Football League for the 10th time in team history and their 3rd consecutive title setting a franchise record, as well as a shared league record then, however Galatasaray broke this record 8 years later by winning 4 consecutive titles (1996–2000).  Beşiktaş set another league record by finishing the league undefeated, with 23 wins, 7 draws and 0 losses.  They also continued their record setting unbeaten streak from last year making a total of 35 games unbeaten.  Also a league record.  The team was considered "legendary" due to all the milestones achieved that season.  In the Turkish cup, Beşiktaş defeated Aydınspor 1-0 in the quarterfinals, but lost to Trabzonspor 1-2 in the semifinals.  Trabzonspor would go on to win the cup.  By finishing 1st last season Beşiktaş also qualified for the European Cup.  In the first round they were eliminated by PSV Eindhoven 2-3 (1-1 at home and 1-2 away).  Beşiktaş played Trabzonspor for the Presidents Cup, after a loss to Trabzonspor in the semi finals of the Turkish cup, the team redeemed itself by defeating Trabzon 2-1.  Beşiktaş missed the TSYD Cup by 3 points.  They beat Fenerbahçe 4-1 but lost to Galatasaray 2-3.

1963–64 Beşiktaş J.K. season: The 1963-64 season was Beşiktaş J.K.'s 45th official season, their 6th year in the Turkish First Football League and their 61st year in existence.  They finished 2nd in the Turkish First Football League behind Fenerbahçe by a single point.  They also competed in the Balkans Cup for the first time but were eliminated in the group stage.

1981–82 1.Lig: The 1981-82 Turkish First Football League season saw 17 teams in competition.  Beşiktaş J.K. won the championship.

Supporting paragraphs: 1981–82 1.Lig Beşiktaş J.K.
Answer: 1903