CREATE TABLE "moves_played_compared_with_computer_choi" (
  "position" real,
  "best_year" text,
  "best_2_year_period" text,
  "best_3_year_period" text,
  "best_5_year_period" text,
  "best_10_year_period" text,
  "best_15_year_period" text
);

Question: Which best 3-year period has a best 15-year period of smyslov; kasparov, and a Position of 5?
SQL: SELECT "best_3_year_period" FROM "moves_played_compared_with_computer_choi" WHERE "best_15_year_period"='smyslov; kasparov' AND "position"=5;

Question: Which best 5-year period has a best 15-year period of alekhine; lasker?
SQL: SELECT "best_5_year_period" FROM "moves_played_compared_with_computer_choi" WHERE "best_15_year_period"='alekhine; lasker';

Question: Which best 10-year period has a best 2-year period of petrosian?
SQL: SELECT "best_10_year_period" FROM "moves_played_compared_with_computer_choi" WHERE "best_2_year_period"='petrosian';

Question: Which Position has a best 3-year period of petrosian?
SQL: SELECT MAX("position") FROM "moves_played_compared_with_computer_choi" WHERE "best_3_year_period"='petrosian';