CREATE TABLE table_58643 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Venue" CLOB, "Attendance" FLOAT)

What was week 2's opponent?
SELECT "Opponent" FROM table_58643 WHERE "Week" = '2'
SELECT "Opponent" FROM "table_58643" WHERE "Week" = '2'