CREATE TABLE table_name_31 (district VARCHAR, college_or_campus_name VARCHAR)

What District has a College or Campus Name of anna university college of engineering kanchipuram?
SELECT district FROM table_name_31 WHERE college_or_campus_name = "anna university college of engineering kanchipuram"
SELECT "district" FROM "table_name_31" WHERE "anna university college of engineering kanchipuram" = "college_or_campus_name"