Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Ex Input:
Context: Coming off their divisional home win over the Cardinals, the 49ers flew to the Edward Jones Dome for a Week 2 divisional duel against their NFC West rival, the St. Louis Rams. In the first quarter, the Niners trailed early as Rams QB Marc Bulger completed a 12-yard TD pass to WR Torry Holt for the only score of the period. In the second quarter, San Francisco would tie the game up with RB Frank Gore getting a 1-yard TD run. St. Louis would take the halftime lead with kicker Jeff Wilkins getting a 29-yard field goal In the third quarter, the 49ers took the lead with Gore breaking through a gang of tacklers for a 43-yard TD run, along with the only score of the period. In the fourth quarter, the Rams retook the lead with Wiklins getting a 53-yard field goal. Fortunately, thanks to a St. Louis goof-up on special teams, the Niners took the lead with kicker Joe Nedney getting a 40-yard field goal. Near the end the game, the Rams had one last chance to win the game. Fortunately for San Francisco, Wilkins' 56-yard field goal attempt fell about a yard short of the crossbar. With the win, the 49ers improved to 2-0 for the first time since 1998. Q1 - STL - 6:04 - 12-yard TD pass from Marc Bulger to Torry Holt (Wilkins kick) (STL 7-0) Q2 - SF - 14:57 - Frank Gore 1-yard TD run (Nedney kick) (7-7) Q2 - STL - 9:04 - Jeff Wilkins 27-yard FG (STL 10-7) Q2 - STL - 1:51 - Jeff Wilkins 29-yard FG (STL 13-7) Q3 - SF - 2:43 - Frank Gore 43-yard TD run (Nedney kick) (SF 14-13) Q4 - STL - 10:04 - Jeff Wilkins 53-yard FG (STL 16-14) Q4 - SF - 3:23 - Joe Nedney 40-yard FG (SF 17-16) 
 Question: How did the 49ers take the lead in the fourth quarter?

Ex Output:
joe nedney


Ex Input:
Context: Facioscapulohumeral muscular dystrophy (FSHD) is one of the most prevalent adult muscular dystrophies. The common clinical signs usually appear during the second decade of life but when the first molecular dysregulations occur is still unknown. Our aim was to determine whether molecular dysregulations can be identified during FSHD fetal muscle development. We compared muscle biopsies derived from FSHD1 fetuses and the cells derived from some of these biopsies with biopsies and cells derived from control fetuses. We mainly focus on DUX4 isoform expression because the expression of DUX4 has been confirmed in both FSHD cells and biopsies by several laboratories. We measured DUX4 isoform expression by using qRT-PCR in fetal FSHD1 myotubes treated or not with an shRNA directed against DUX4 mRNA. We also analyzed DUX4 downstream target gene expression in myotubes and fetal or adult FSHD1 and control quadriceps biopsies. We show that both DUX4-FL isoforms are already expressed in FSHD1 myotubes. Interestingly, DUX4-FL expression level is much lower in trapezius than in quadriceps myotubes, which is confirmed by the level of expression of DUX4 downstream genes. We observed that TRIM43 and MBD3L2 are already overexpressed in FSHD1 fetal quadriceps biopsies, at similar levels to those observed in adult FSHD1 quadriceps biopsies. These results indicate that molecular markers of the disease are already expressed during fetal life, thus opening a new field of investigation for mechanisms leading to FSHD. 
 Question: Which disease is associated with the ectopic expression of the protein encoded by the gene DUX4?

Ex Output:
fshd


Ex Input:
Context: Over the next year, however, the Polish forces were subject to attrition, as the Sejm again refused to raise taxes and pay the army, resulting in mass desertions of unpaid soldiery. The Polish problems were further aggravated by the incompetent leadership of hetman Micha Kazimierz Pac, who obstructed Sobieski's leadership, while the Ottomans continued to receive reinforcements. Nonetheless in 1674 the Commonwealth resumed the offensive, taking advantage of a new Muscovy-Ottoman conflict that year, and the Polish-Ottoman war remained undecided.:275 Sobieski's force of 6,000 defeated 20,000 Turks and Tatars under Ibrahim Shyshman in the battle of Lwow in August 1675.:653 Even after the Battle of Trembowla, the Sejm still refused his pleas for more funds and a larger army.:653 In 1676, after Sobieski's 16,000 withstood the two-week siege of Zurawno, by 100,000 men under Ibrahim Pasha, a new peace treaty was signed, the Treaty of Zurawno.:655 The peace treaty partially reversing those from Buczacz: the Ottomans kept approximately two thirds of the territories they gained in 1672, and the Commonwealth no longer was obliged to pay any kind of tribute to the Empire; a large number of Polish prisoners were released by the Ottomans. 
 Question: Which happened first, the siege of A"urawno or the Treaty of A"urawno?

Ex Output:

siege of żurawno