<human>: Q: Which political supporter of Willett's proposal had already used the half-hour version of DST at Sandringham?
 A: The proposal attracted many supporters, including Balfour, Churchill, Lloyd George, MacDonald, Edward VII (who used half-hour DST at Sandringham), the managing director of Harrods, and the manager of the National Bank.
 Does the answer correctly answer the question

OPTIONS:
- yes
- no
<bot>: yes