Table:
Years Ended December 31,

2019	2018	2017

(in thousands)

Employee separation expenses	$1,150	$2,094	$8,353

Lease related expenses	1,301	1,608	1,025

Other	185	136	146

$2,636	$3,838	$9,524

Tell me the row and column numbers of the shown table. Return the result as JSON in the format {"row_number": "m", "column_number": "n"}, e.g., {"row_number": "12", "column_number": "7"}.

This table has 7 rows and 4 columns. Thus, the final answer is {"row_number": "7", "column_number": "4"}.