CREATE TABLE "singles" (
  "tournament" text,
  "1984" text,
  "1985" text,
  "1986" text,
  "1987" text,
  "1988" text,
  "1989" text,
  "1990" text,
  "1991" text,
  "1992" text,
  "1993" text,
  "1994" text,
  "1995" text,
  "1996" text,
  "1997" text,
  "1998" text,
  "1999" text,
  "2000" text
);

Question: What is the 1986 value with A in 1991 and A in 1987?
SQL: SELECT "1986" FROM "singles" WHERE "1991"='a' AND "1987"='a';

Question: What is the 1995 value with A in 1986 and 2r in 1992?
SQL: SELECT "1995" FROM "singles" WHERE "1986"='a' AND "1992"='2r';

Question: What is the 1989 value with F in 1990?
SQL: SELECT "1989" FROM "singles" WHERE "1990"='f';

Question: What is the 1987 value of the 1994 atp masters series?
SQL: SELECT "1987" FROM "singles" WHERE "1994"='atp masters series';