Table:
(dollars in millions)	At December 31, 2019	At December 31, 2018

Assets

Prepaid expenses and other	$2,578	$ 2,083

Other assets	1,911	1,812

Total	$ 4,489	$ 3,895

This image illustrates a table. Find the cell at the intersection of row 1 and column 2, return its content. Format the cell value as a JSON, using the structure {"row_id":"m", "column_id":"n", "cell_value":"<Corresponding Cell Value>"}.

The target cell value in row 1 and column 2 is {"row_id":"1", "column_id":"2", "cell_value":"At December 31, 2019"}.