Table: manuela_maleeva_1983_clay
Columns: edition
round
date
surface
opponent
result

Question: What opponent has a result of 3–6, 6–2, 4–6?
SQL: SELECT "opponent" FROM manuela_maleeva_1983_clay WHERE "result" = '3–6, 6–2, 4–6'

Question: When was the 1991 world group I with the opponent of Li Fang?
SQL: SELECT "date" FROM manuela_maleeva_1983_clay WHERE "edition" = '1991 world group i' AND "opponent" = 'li fang'

Question: On July 15, 1984 what surface was used?
SQL: SELECT "surface" FROM manuela_maleeva_1983_clay WHERE "date" = 'july 15, 1984'

Question: For what round was the opponent mercedes paz with a result of 4–6, 6–1, 6–3?
SQL: SELECT "round" FROM manuela_maleeva_1983_clay WHERE "opponent" = 'mercedes paz' AND "result" = '4–6, 6–1, 6–3'

Question: What surface was used on July 17, 1983?
SQL: SELECT "surface" FROM manuela_maleeva_1983_clay WHERE "date" = 'july 17, 1983'

Question: What was the result on October 8, 1985?
SQL: SELECT "result" FROM manuela_maleeva_1983_clay WHERE "date" = 'october 8, 1985'