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 table_201_18 ( id number, "date" text, "event" text, "headline act(s)" text, "supporting act(s)" text )

### Question ###
which month is the most popular month for concerts at the old trafford cricket ground ?

### Accurate SQL ###

SELECT "date" FROM table_201_18 GROUP BY "date" ORDER BY COUNT(*) DESC LIMIT 1