user: Question: Which tournament has a Clay surface and partner Henri Leconte in 1983?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents in the final', 'Score in the final']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 1978.0, 'Calcutta , India', 'Clay', 'Gilles Moretton', 'Sashi Menon Sherwood Stewart', '6–7, 4–6']
SQL:

assistant: SELECT "Tournament" FROM "Table" WHERE "Surface" = 'Clay' AND "Partner" = 'Henri Leconte' AND "Date" = 1983.0;