In what year did the Francis Scott Key Bridge collapse after being struck by a container ship? Answer with the four-digit year only.
How many chemical elements are in the periodic table as currently named and confirmed by IUPAC? Answer with the whole number only.
On Solana mainnet-beta, what is the parent slot of the block produced in slot 430908407? Answer with the whole number only.
On Solana mainnet-beta, in which epoch number does slot 379899828 fall? Answer with the whole number only.
On Solana mainnet-beta, in which epoch number does slot 278077622 fall? Answer with the whole number only.
On Ethereum mainnet, what was the base fee per gas of block 25363391, in wei? Answer with the whole number only.
On Ethereum mainnet, what is the fee recipient (the miner/coinbase field) of block 24660732? Answer with the 0x address only.