Question: What is the 2013 BAFA adult flag division in Aylesbury?
SQL: SELECT "2013 BAFA Adult flag division" FROM "2-16135522-3" WHERE "Location" = 'Aylesbury';

Question: What is the 2013 BAFA junior division with a 2013 BAFA adult division in National Central in the Birkenhead location?
SQL: SELECT "2013 BAFA Junior division" FROM "2-16135522-3" WHERE "2013 BAFA Adult division" = 'National Central' AND "Location" = 'Birkenhead';