Question: The "Seven Weeks War" was between which two countries?

Is However, following the "Seven Weeks War" between Prussia and Austria four years earlier, it had been calculated that the French Army could field only 288,000 men to face the Prussian Army when perhaps 1,000,000 would be required. a good answer to this question?

Pick your answer from:
(a). yes
(b). no
(a).