human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Period ended, Turnover (£m), Profit before tax (£m), Dividend per share (p), Adjusted earnings per share diluted (p)
###Question: What was the turnover when the profit before tax was 29.47?
gpt
SELECT Turnover (£m) FROM table WHERE Profit before tax (£m) = 29.47