CREATE TABLE table_name_29 (tournament VARCHAR2, date VARCHAR2, surface VARCHAR2, partner VARCHAR2)

Which tournament has a clay surface and partner henri leconte in 1983?
SELECT tournament FROM table_name_29 WHERE surface = "clay" AND partner = "henri leconte" AND date = 1983
SELECT "tournament" FROM "table_name_29" WHERE "clay" = "surface" AND "date" = 1983 AND "henri leconte" = "partner"