Table:
Year
Competition
Venue
Position
Notes

Representing the Czech Republic

2005

World Youth Championships

Marrakech, Morocco

6th

5.05 m

2006

World Junior Championships

Beijing, China

5th

5.30 m

2008

Olympic Games

Beijing, China

10th

5.45 m

2009

European U23 Championships

Kaunas, Lithuania

8th

5.15 m

World Championships

Berlin, Germany

22nd (q)

5.40 m

2010

European Championships

Barcelona, Spain

10th

5.60 m

2011

World Championships

Daegu, South Korea

9th

5.65 m

2012

European Championships

Helsinki, Finland

6th

5.60 m

Olympic Games

London, United Kingdom

8th

5.65 m

2013

European Indoor Championships

Gothenburg, Sweden

5th

5.71 m

2014

World Indoor Championships

Sopot, Poland

3rd

5.80 m

How many rows and columns does the given table have? The final result should be presented in the JSON format of {"row_number": "m", "column_number": "n"}.

This table has 12 rows and 5 columns. Thus, the final answer is {"row_number": "12", "column_number": "5"}.