Table:
team	outgoing manager	manner of departure	date of vacancy	replaced by	date of appointment	position in table

rnk split	tonći bašić	removed from position	2 2010	ivan katalinić	2 2010	pre - season

slaven belupo	zlatko dalić	mutual consent	2 2010	mile petković	7 2010	pre - season

istra 1961	ante miše	sacked	3 2010	robert jarni	4 2010	16th

lokomotiva	roy ferenčina	mutual consent	2 2010	ljupko petrović	2 2010	12th

hrvatski dragovoljac	damir biškup	removed from position	3 2010	ivan pudar	3 2010	15th

rijeka	nenad gračan	mutual consent	6 2010	elvis scoria	8 2010	6th

hrvatski dragovoljac	ivan pudar	mutual consent	7 2010	davor mladina	7 2010	16th

Tell me how many rows and columns exist in the given table. The JSON format {"row_number": "m", "column_number": "n"} should be utilized to display the ultimate result.

There are 8 rows and 7 columns in the table. So, the final answer is {"row_number": "8", "column_number": "7"}.