user: Question: How many dollars is the revenue when the net profit is 55.4 million dollars?
Columns: ['Year to April', 'Revenue (US $million)', 'EBIT (US $m)', 'Net profit (US $m)', 'Earnings per share (¢)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2012.0, '434.8', '179.8', '120.6', '65.8']
SQL:

assistant: SELECT "Revenue (US $million)" FROM "Table" WHERE "Net profit (US $m)" = '55.4';