user: Question: When 2007/08 is 6,443.8 what is ime exchange (including spot, credit and forward transactions)?
Columns: ['IME Exchange (Including spot, credit and forward transactions)', '2007/08', '2008/09', '2009/10', '2010/11']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Agricultural - Volume (thousand tons)', '273.0', '173.5', '175.2', '1,633.6']
SQL:

assistant: SELECT "IME Exchange (Including spot, credit and forward transactions)" FROM "Table" WHERE "2007/08" = '6,443.8';