Read this: Notable athletes include swimmer Sharron Davies, diver Tom Daley, dancer Wayne Sleep, and footballer Trevor Francis. Other past residents include composer journalist and newspaper editor William Henry Wills, Ron Goodwin, and journalist Angela Rippon and comedian Dawn French. Canadian politician and legal scholar Chris Axworthy hails from Plymouth. America based actor Donald Moffat, whose roles include American Vice President Lyndon B. Johnson in the film The Right Stuff, and fictional President Bennett in Clear and Present Danger, was born in Plymouth.

What is the occupation of Trevor Francis?
What is the answer? (If it cannot be answered, return "unanswerable")
footballer