CREATE TABLE table_43763 ("Date" CLOB, "Visitor" CLOB, "Score" CLOB, "Home" CLOB, "Leading scorer" CLOB, "Attendance" CLOB, "Record" CLOB)

On April 18, which team was the visitor?
SELECT "Visitor" FROM table_43763 WHERE "Date" = 'april 18'
SELECT "Visitor" FROM "table_43763" WHERE "Date" = 'april 18'