CREATE TABLE table_71901 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT, "Record" TEXT)

For all games with calgary as home, what is the average number of attendees?
SELECT AVG("Attendance") FROM table_71901 WHERE "Home" = 'calgary'
SELECT AVG("Attendance") FROM "table_71901" WHERE "Home" = 'calgary'