CREATE TABLE "wins_5" (
  "year" real,
  "championship" text,
  "partnering" text,
  "opponents_in_final" text,
  "score_in_final" text
);

Question: What year was the US Open that had a partnering of Maikel Scheffers?
SQL: SELECT SUM("year") FROM "wins_5" WHERE "partnering"='maikel scheffers' AND "championship"='us open';

Question: What was the championship before 2012 that had Stephane Houdet Michael Jeremiasz as opponents?
SQL: SELECT "championship" FROM "wins_5" WHERE "year"<2012 AND "opponents_in_final"='stephane houdet michael jeremiasz';

Question: What was the score when the Shingo Kunieda Satoshi Saida were the opponents?
SQL: SELECT "score_in_final" FROM "wins_5" WHERE "opponents_in_final"='shingo kunieda satoshi saida';

Question: What year were the opponents Shingo Kunieda Satoshi Saida?
SQL: SELECT MIN("year") FROM "wins_5" WHERE "opponents_in_final"='shingo kunieda satoshi saida';