CREATE TABLE table_29536 ("Members" CLOB, "Country" CLOB, "Year Established" FLOAT, "World Rank by THE-WUR  ,  2013" CLOB, "World Rank by ARWU  ,  2013" CLOB, "World Rank by QS  ,  2013" CLOB)

What was the world rank by QS in 2013 for the University of Otago?
SELECT "World Rank by QS , 2013" FROM table_29536 WHERE "Members" = 'University of Otago'
SELECT "World Rank by QS , 2013" FROM "table_29536" WHERE "Members" = 'University of Otago'