user: Question: who was the semifinalist for the Key Biscane tournament?
Columns: ['Tournament', 'Surface', 'Week', 'Winner and score', 'Finalist', 'Semifinalists']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Indian Wells', 'Hard', 'February 28', 'Pete Sampras 4–6, 6–3, 3–6, 6–3, 6–2', 'Petr Korda', 'Stefan Edberg Aaron Krickstein']
SQL:

assistant: SELECT "Semifinalists" FROM "Table" WHERE "Tournament" = 'Key Biscane';