CREATE TABLE table_77287 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" FLOAT, "Time" CLOB, "Location" CLOB)

What location did the event kotc: mortal sins take place?
SELECT "Location" FROM table_77287 WHERE "Event" = 'kotc: mortal sins'
SELECT "Location" FROM "table_77287" WHERE "Event" = 'kotc: mortal sins'