p-1 and p-2, both citizens of state x, sue d-1, a citizen of state y, and d-2, a citizen of state x, based on an automobile accident that occurred in state q. p's action is brought in a u.s. district court in state q. p seeks $250,000 in damages as a result of the alleged negligence of d-1 and d-2. under these circumstances, does the u.s. district court have subject-matter jurisdiction?