CREATE TABLE "table1_2331549_1" (
  "year" real,
  "host_city" text,
  "host_school" text,
  "champion" text,
  "second_place" text,
  "third_place" text
);

Question: Which years did Michigan state university come in third place?
SQL: SELECT "year" FROM "table1_2331549_1" WHERE "third_place"='Michigan State University';

Question: Who were the champions in years where michigan technological university was in third place?
SQL: SELECT "champion" FROM "table1_2331549_1" WHERE "third_place"='Michigan Technological University';

Question: What was the host city in years where the host school was école de technologie supérieure?
SQL: SELECT "host_city" FROM "table1_2331549_1" WHERE "host_school"='École de technologie supérieure';

Question: Who came in second place when the champion was south dakota school of mines & technology?
SQL: SELECT "second_place" FROM "table1_2331549_1" WHERE "champion"='South Dakota School of Mines & Technology';