On Robinhood Chain, what was the Uniswap v4 spot price of pool 0x54b883700b21fa8386dcfd707aa12786375b567b8a4b87f674538a324987c61d (ETH/TikTok, currency0/currency1) at the window's last block (blocks 83572147 to 83607333, about 15 minutes before 83616130), as currency0 per 1e18 raw currency1 in raw units?

Who became Secretary General of NATO in October 2024? Answer with the surname only.