user: Question: What is the Nationality of Mike Gatting, who played 551 games?
Columns: ['Rank', 'Games', 'Player', 'Nationality', 'Career Span']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', '651', 'Graeme Hick', 'England', '1983–2008']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Games" = '551' AND "Player" = 'Mike Gatting';