CREATE TABLE table_52186 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT, "Record" TEXT)

What is the average attendance for a game against Phoenix?
SELECT AVG("Attendance") FROM table_52186 WHERE "Visitor" = 'phoenix'
SELECT AVG("Attendance") FROM "table_52186" WHERE "Visitor" = 'phoenix'