CREATE TABLE "singles_performance_timeline" (
  "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,
  "career_sr" text
);

Question: What is the 1991 when 1992 and 1990 are 1R?
SQL: SELECT "1991" FROM "singles_performance_timeline" WHERE "1992"='1r' AND "1990"='1r';

Question: What is the 1991 when 1990 is ATP Masters Series?
SQL: SELECT "1991" FROM "singles_performance_timeline" WHERE "1990"='atp masters series';

Question: What is the 1995 when the 1991 is Grand Slams?
SQL: SELECT "1995" FROM "singles_performance_timeline" WHERE "1991"='grand slams';

Question: What is the career SR when 1985 is Grand Slams?
SQL: SELECT "career_sr" FROM "singles_performance_timeline" WHERE "1985"='grand slams';