CREATE TABLE table_67696 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT, "Record" TEXT)

Visitor of minnesota has what average attendance?
SELECT AVG("Attendance") FROM table_67696 WHERE "Visitor" = 'minnesota'
SELECT AVG("Attendance") FROM "table_67696" WHERE "Visitor" = 'minnesota'