To which city did donor “22cbc920c9b5fa08dfb331422f5926b5” donate?
donor “22cbc920c9b5fa08dfb331422f5926b5” refers to donor_acctid = '22cbc920c9b5fa08dfb331422f5926b5'; city refers to donor_city
SELECT DISTINCT donor_city FROM donations WHERE donor_acctid = '22cbc920c9b5fa08dfb331422f5926b5'