user: Question: What type of surface was played on when Julie Halard-Decugis was the partner on October 8, 2000?
Columns: ['Date', 'Tournament', 'Surface', 'Partner', 'Opponent in the final', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['April 10, 1994', 'Tokyo, Japan', 'Hard', 'Mami Donoshiro', 'Yayuk Basuki Nana Miyagi', '6–4, 6–1']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Partner" = 'Julie Halard-Decugis' AND "Date" = 'October 8, 2000';