CREATE TABLE rooms (roomid TEXT, roomname TEXT, beds DECIMAL, bedtype TEXT, maxoccupancy DECIMAL, baseprice DECIMAL, decor TEXT)
CREATE TABLE reservations (code DECIMAL, room TEXT, checkin TEXT, checkout TEXT, rate DECIMAL, lastname TEXT, firstname TEXT, adults DECIMAL, kids DECIMAL)

How many kids stay in the room DAMIEN TRACHSEL checked in on Sep 21, 2010?
SELECT kids FROM reservations WHERE checkin = "2010-09-21" AND firstname = "DAMIEN" AND lastname = "TRACHSEL"
SELECT "kids" FROM "reservations" WHERE "2010-09-21" = "checkin" AND "DAMIEN" = "firstname" AND "TRACHSEL" = "lastname"