=Index (another worksheet name $C$4: another worksheet name $C$ 14, match(H5, another worksheet name $B$4: another worksheet name $B$50).
The data range can be adjusted according to the actual situation.
You'd better press Ctrl+Shift+Enter to confirm, and you can't enter it directly.
The MATCH function returns the position of the specified number in the specified array area.
The INDEX function returns a value or a reference to a value in a table or range.