user: Question: What is Name, when Best is 1:15.673?
Columns: ['Name', 'Team', 'Qual 1', 'Qual 2', 'Best']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Sébastien Bourdais', 'Newman/Haas Racing', '1:15.978', '1:13.915', '1:13.915']
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Best" = '1:15.673';