CREATE TABLE "doubles_grand_slam_timeline" (
  "tournament" 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,
  "career_sr" text,
  "career_win_loss" text
);

Question: What shows for 1997 when 1987 is 2r?
SQL: SELECT "1997" FROM "doubles_grand_slam_timeline" WHERE "1987"='2r';

Question: What shows for 1993 when 1991 is grand slams?
SQL: SELECT "1993" FROM "doubles_grand_slam_timeline" WHERE "1991"='grand slams';

Question: What shows for 1987 when 1995 shows 1r, 1986 is a, and 1998 is sf?
SQL: SELECT "1987" FROM "doubles_grand_slam_timeline" WHERE "1995"='1r' AND "1986"='a' AND "1988"='sf';