Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE stadium (name VARCHAR, capacity VARCHAR, stadium_id VARCHAR)
TABLE: CREATE TABLE concert (stadium_id VARCHAR, year VARCHAR)

### Question ###
Show the stadium name and capacity with most number of concerts in year 2014 or after.

### Accurate SQL ###

SELECT T2.name, T2.capacity FROM concert AS T1 JOIN stadium AS T2 ON T1.stadium_id = T2.stadium_id WHERE T1.year >= 2014 GROUP BY T2.stadium_id ORDER BY COUNT(*) DESC LIMIT 1