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_187239_1 (minor_sponsors VARCHAR, kit_manufacturer VARCHAR, period VARCHAR)

### Question ###
When 2011 is the period and olympikus is the kit manufacturer how many minor sponsors are there?

### Accurate SQL ###

SELECT COUNT(minor_sponsors) FROM table_187239_1 WHERE kit_manufacturer = "Olympikus" AND period = "2011"