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_2856898_1 ( dividend_per_share__p_ VARCHAR, turnover__£m_ VARCHAR )

### Question ###
How many items appear in the dividend per share when the turnover is 0.42?

### Accurate SQL ###

SELECT COUNT(dividend_per_share__p_) FROM table_2856898_1 WHERE turnover__£m_ = "0.42"