Table:
Tie no

Home team

Score

Away team

1
Liverpool
1–0
Aston Villa

2
Southampton
0–0
Norwich City

replay
Norwich City
2–1
Southampton

3
Portsmouth
1–0
Nottingham Forest

4
Chelsea
1–1
Sunderland

replay
Sunderland
2–1
Chelsea

How many rows and columns does this table contain? Format your final answer as a JSON, using the structure {"row_number": "m", "column_number": "n"}.

There are 7 rows and 4 columns in the table. So, the final answer is {"row_number": "7", "column_number": "4"}.