Table:
Athlete	Event	Heat	Quarterfinal	Semifinal	Final	Notes

Result	Rank	Result	Rank	Result	Rank	Result	Rank

Antoine Adams	100 meter	Bye	10.22	4 q	10.27	7	Did not advance

200 meter	20.59	2 Q	N/A	DSQ	Did not advance

Jason Rogers	100 meter	Bye	10.30	5	Did not advance

Kim Collins	100 meter	Bye	DNS	Did not advance

Antoine Adams Brijesh Lawrence Jason Rogers Lestrod Roland	4 × 100 meter relay	38.41 NR	6	N/A	Did not advance

How many rows and columns does this table have? Output the final answer as JSON in the format {"row_number": "m", "column_number": "n"}.

There are 7 rows and 11 columns in the table. So, the final answer is {"row_number": "7", "column_number": "11"}.