user: Question: Name the period for Uruguay
Columns: ['Name', 'Position', 'Period', 'Appearances¹', 'Goals¹', 'Nationality²']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['Thierry Rabat', 'Defender', '1986 – 1988, 1989 – 1990', 78.0, 3.0, 'France']
SQL:

assistant: SELECT "Period" FROM "Table" WHERE "Nationality²" = 'Uruguay';