user: Question: Name the period for Michel Prost
Columns: ['Name', 'Position', 'Period', 'Appearances¹', 'Goals¹', 'Nationality²']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['Grégory Paisley', 'Defender', '1998 – 1999, 2000 – 2001', 23.0, 1.0, 'France']
SQL:

assistant: SELECT "Period" FROM "Table" WHERE "Name" = 'Michel Prost';