CREATE TABLE table_60955 ("Event" CLOB, "Time" CLOB, "Nationality" CLOB, "Date" CLOB, "Meet" CLOB, "Location" CLOB)

What is Event, when Meet is 'World Championships', and when Time is '20.51'?
SELECT "Event" FROM table_60955 WHERE "Meet" = 'world championships' AND "Time" = '20.51'
SELECT "Event" FROM "table_60955" WHERE "Meet" = 'world championships' AND "Time" = '20.51'