Question: What is the sum of complement commander valkenburg received?
SQL: SELECT COUNT("Complement") FROM "2-16902902-1" WHERE "Commander" = 'valkenburg';

Question: Which commander received complement larger than 240 , guns of 66 and ship of Revolutie?
SQL: SELECT "Commander" FROM "2-16902902-1" WHERE "Complement" > 240.0 AND "Guns" = '66' AND "Ship" = 'Revolutie';