CREATE TABLE table_47044 ("Squad No." FLOAT, "Name" TEXT, "Position" TEXT, "League Apps" TEXT, "League Goals" FLOAT, "FA Cup Apps" TEXT, "FA Cup Goals" FLOAT, "League Cup Apps" TEXT, "League Cup Goals" FLOAT, "FLT Apps" TEXT, "FLT Goals" FLOAT, "Playoff Apps" TEXT, "Playoff Goals" FLOAT, "Total Apps" TEXT, "Total Goals" FLOAT)

What was the playoff apps for Thomas Heary, that had the position df?
SELECT "Playoff Apps" FROM table_47044 WHERE "Position" = 'df' AND "Name" = 'thomas heary'
SELECT "Playoff Apps" FROM "table_47044" WHERE "Name" = 'thomas heary' AND "Position" = 'df'