CREATE TABLE table_23478 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Record" TEXT)

For the game against Iowa, who had the most assists?
SELECT "High assists" FROM table_23478 WHERE "Team" = 'Iowa'
SELECT "High assists" FROM "table_23478" WHERE "Team" = 'Iowa'