CREATE TABLE "table1_12266757_1" (
  "season" text,
  "mens_singles" text,
  "womens_singles" text,
  "mens_doubles" text,
  "womens_doubles" text,
  "mixed_doubles" text
);

Question: How many mens doubles took place in 1970/1971?
SQL: SELECT COUNT("mens_doubles") FROM "table1_12266757_1" WHERE "season"='1970/1971';

Question: Where were the Womens Doubles in the 1951/1952 season and who won?
SQL: SELECT "womens_doubles" FROM "table1_12266757_1" WHERE "season"='1951/1952';

Question: Who was the womens singles winnerwhen the mens doubles were  stefan karlsson claes nordin , bk aura gbk?
SQL: SELECT "womens_singles" FROM "table1_12266757_1" WHERE "mens_doubles"='Stefan Karlsson Claes Nordin , BK Aura GBK';

Question: Who were the winners of mens doubles in the 1986/1987 season held?
SQL: SELECT "mens_doubles" FROM "table1_12266757_1" WHERE "season"='1986/1987';

Question: Who won the Mens Singles when the Mixed doubles went to Stellan Mohlin Kerstin Ståhl , Aik?
SQL: SELECT "mens_singles" FROM "table1_12266757_1" WHERE "mixed_doubles"='Stellan Mohlin Kerstin Ståhl , AIK';

Question: Who won the womens singles in the 1958/1959 season?
SQL: SELECT "womens_singles" FROM "table1_12266757_1" WHERE "season"='1958/1959';