CREATE TABLE table_16427 ("Location" TEXT, "Monday" TEXT, "Tuesday" TEXT, "Wednesday" TEXT, "Thursday" TEXT, "Friday" TEXT, "Saturday" TEXT, "Sunday" TEXT)

what's the monday time with tuesday being 9:00-6:00
SELECT "Monday" FROM table_16427 WHERE "Tuesday" = '9:00-6:00'
SELECT "Monday" FROM "table_16427" WHERE "Tuesday" = '9:00-6:00'