CREATE TABLE table_6758 ("Date" TEXT, "Pos." TEXT, "Player" TEXT, "From club" TEXT, "Transfer fee" TEXT)

Which Player has a Date of 13 july 2007?
SELECT "Player" FROM table_6758 WHERE "Date" = '13 july 2007'
SELECT "Player" FROM "table_6758" WHERE "Date" = '13 july 2007'