Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE stadium (name VARCHAR, stadium_id VARCHAR); CREATE TABLE concert (stadium_id VARCHAR)
### Question:
Show the stadium name and the number of concerts in each stadium.
### Answer:
SELECT T2.name, COUNT(*) FROM concert AS T1 JOIN stadium AS T2 ON T1.stadium_id = T2.stadium_id GROUP BY T1.stadium_id