Question: Which Player has a Date of Sep. 2008?
SQL: SELECT "Player" FROM "2-17370522-15" WHERE "Date" = 'Sep. 2008';

Question: Which Transfer fee has a From club of Blackburn Rovers?
SQL: SELECT "Transfer fee" FROM "2-17370522-15" WHERE "From club" = 'Blackburn Rovers';

Question: Which From club has a Date of 20 Oct. 2008?
SQL: SELECT "From club" FROM "2-17370522-15" WHERE "Date" = '20 Oct. 2008';

Question: Which Player has a Transfer fee of £750,000 [x]?
SQL: SELECT "Player" FROM "2-17370522-15" WHERE "Transfer fee" = '£750,000 [x]';