Question: How many items appear in the dividend per share when the turnover is 0.42?
Schema: create table table_2856898_1 (dividend_per_share__p_ varchar, turnover__£m_ varchar, PRIMARY KEY (dividend_per_share__p_))
SQL: select count(dividend_per_share__p_) from table_2856898_1 where turnover__£m_ = "0.42"