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_12637 ( "Clubs" text, "Seasons at this level" text, "Settlements" text, "Season joined league" text, "Position in 1960/1961" text )

### Question ###
Which club has played for 27 seasons at this level?

### Accurate SQL ###

SELECT "Clubs" FROM table_12637 WHERE "Seasons at this level" = '27 seasons'