user: Question: Name the type that joined 2007
Columns: ['Institution', 'Location', 'Founded', 'Type', 'Enrollment', 'Joined', 'Nickname', 'Primary Conference when joining the MSFA', 'Current Primary Conference']
Types: ['text', 'text', 'real', 'text', 'real', 'real', 'text', 'text', 'text']
Sample row: ['Concordia University (Michigan)', 'Ann Arbor, Michigan', 1963.0, 'Private', 800.0, 2011.0, 'Cardinals', 'WHAC', 'WHAC']
SQL:

assistant: SELECT "Type" FROM "Table" WHERE "Joined" = 2007.0;