user: Question: What was the water depth that entered service in 2001 named Cajun Express?
Columns: ['Name', 'Type', 'Entered service', 'Water depth', 'Location', 'Customer']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Cajun Express', 'semi', '2001', 'ft (m)', 'Brazil', 'Petrobras']
SQL:

assistant: SELECT "Water depth" FROM "Table" WHERE "Entered service" = '2001' AND "Name" = 'Cajun Express';