Question: for the Ben Williams name what was the previous club
SQL: SELECT "Previous Club" FROM "1-27998152-1" WHERE "Name" = 'Ben Williams';

Question: what is the fee for Ankaragücü previous club
SQL: SELECT "Fee" FROM "1-27998152-1" WHERE "Previous Club" = 'Ankaragücü';

Question: how many date of birts are if the previous club is Chelsea
SQL: SELECT COUNT("Date of Birth") FROM "1-27998152-1" WHERE "Previous Club" = 'Chelsea';

Question: for the no. 7 what is the date of birth
SQL: SELECT "Date of Birth" FROM "1-27998152-1" WHERE "No." = 7.0;