Instruct: Reported Offenses larger than 216, and a U.S. Rate smaller than 3274, and a Texas Rate smaller than 2688.9, and a Crime of violent crime has what killeen rate?
Output: SELECT SUM Killeen Rate FROM table WHERE Reported Offenses > 216 AND U.S. Rate < 3274 AND Texas Rate < 2688.9 AND Crime = violent crime