user: Question: Where was the tournament where the match was on a Hard surface and Jan-Michael Gambill (19) was the finalist?
Columns: ['Tournament', 'Surface', 'Week', 'Winner', 'Finalist', 'Semifinalists']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Indian Wells', 'Hard', 'March 12', 'Andre Agassi (4) 7–6(5), 7–5, 6–1', 'Pete Sampras (3)', 'Yevgeny Kafelnikov (7) Lleyton Hewitt (6)']
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Surface" = 'Hard' AND "Finalist" = 'Jan-Michael Gambill (19)';