CREATE TABLE table_15287 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

How many people attended the game on June 18?
SELECT COUNT("Attendance") FROM table_15287 WHERE "Date" = 'june 18'
SELECT COUNT("Attendance") FROM "table_15287" WHERE "Date" = 'june 18'