Question: What conference was the winner of the  The 2007 Big 12 Conference Baseball Tournament in before 1996?
Context: Texas A&M Aggies (variously A&M or Texas Aggies) refers to the students, graduates, and sports teams of Texas A&M University.  The nickname "Aggie" was once common at land-grant or "Ag" (agriculture) schools in many states.  The teams compete in Division I of NCAA sports.  Texas A&M was a charter member of the Southwest Conference until its dissolution and subsequent formation of the Big 12 Conference in 1996.  The Aggies competed in the Big 12 until joining the Southeastern Conference (SEC) on July 1, 2012.  Texas A&M's official school colors are maroon and white.  The teams are referred to as Aggies and the mascot is a Rough Collie named Reveille. The 2016 Big 12 Conference Baseball Tournament was held from May 25 through May 29 at Chickasaw Bricktown Ballpark in Oklahoma City, Oklahoma.  The annual tournament determined the conference champion of the Division I Big 12 Conference for college baseball.  The TCU Horned Frogs won the Tournament Championship, and as the winner of the tournament, TCU earned the league's automatic bid to the 2016 NCAA Division I Baseball Tournament. The Big 12 Conference Baseball Tournament (sometimes known simply as the Big 12 Tournament) is the conference championship tournament in baseball for the Big 12 Conference.  Going back to the original format abandoned in 2005, the tournament consists of two separate four-team double-elimination tournaments.  The winners of each of those tournament face each other in a one-game match for the championship.  The winner receives the conference's automatic bid to the NCAA Division I Baseball Tournament. The 2007 Big 12 Conference Baseball Tournament was held at AT&T Bricktown Ballpark in Oklahoma City, OK from May 23 through May 27.  Texas A&M won the tournament and earned the Big 12 Conference's automatic bid to the 2007 NCAA Division I Baseball Tournament.  This was the second year the conference used the round robin tournament setup.  The winners of each group at the end of the round robin faced each other in a one-game match for the championship. The 1997 Big 12 Conference Baseball Tournament was the first in Big 12 history, and the only one to be held at All Sports Stadium in Oklahoma City, OK from May 15th through May 18th.  Oklahoma won the inaugural tournament and earned the Big 12 Conference's automatic bid to the 1997 NCAA Division I Baseball Tournament.  The format followed that used by the NCAA Division I Baseball Championship at the time: a six-team, double-elimination tournament. The 1998 Big 12 Conference Baseball Tournament was the second played in Big 12 history, and the first to be held at AT&T Bricktown Ballpark in Oklahoma City, OK from May 14 through May 17.  Texas Tech won the tournament and earned the Big 12 Conference's automatic bid to the 1998 NCAA Division I Baseball Tournament.  The format followed that used by the NCAA Division I Baseball Championship at the time: a six-team, double-elimination tournament. The 2007 Big East Conference Baseball Tournament was held at KeySpan Park in Brooklyn, NY.  This was the twenty third annual Big East Conference Baseball Tournament.  The won their third tournament championship and claimed the Big East Conference's automatic bid to the 2007 NCAA Division I Baseball Tournament. The 2015 Big 12 Conference Baseball Tournament was held from May 20 through May 24 at ONEOK Field in Tulsa, Oklahoma.  The annual tournament determines the conference champion of the Division I Big 12 Conference for college baseball.  The winner of the tournament will earn the league's automatic bid to the 2015 NCAA Division I Baseball Tournament. The 2017 Big 12 Conference Baseball Tournament will be held from May 24 through May 28 at Chickasaw Bricktown Ballpark in Oklahoma City, Oklahoma.  The annual tournament determines the conference champion of the Division I Big 12 Conference for college baseball.  The winner of the tournament will earn the league's automatic bid to the 2017 NCAA Division I Baseball Tournament. The 1996 Big East Conference Baseball Tournament was held at Senator Thomas J. Dodd Memorial Stadium in Norwich, CT.  This was the twelfth annual Big East Conference Baseball Tournament.  The won their only tournament championship in their first year in the league, and claimed the Big East Conference's automatic bid to the 1996 NCAA Division I Baseball Tournament.  West Virginia joined the Big 12 Conference after the 2012 season.
Answer: Southwest Conference