CREATE TABLE table_41825 ("Week" FLOAT, "Date" TEXT, "Time  ( CST ) " TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Record" TEXT, "NFL Recap" TEXT)

What is the lowest week that has 7:15 p.m. as the time (cst) and fedexfield as the game site?
SELECT MIN("Week") FROM table_41825 WHERE "Time (CST)" = '7:15 p.m.' AND "Game site" = 'fedexfield'
SELECT MIN("Week") FROM "table_41825" WHERE "Game site" = 'fedexfield' AND "Time (CST)" = '7:15 p.m.'