Question: How many meters above the largest river in the state Tito saw when he visited the organization that mediated the truce ending the Iran-Iraq War is Riverbank State Park?

<P0-S0> On September 22, 1980, the Iraqi army invaded the Iranian Khuzestan, and the Iran–Iraq War began. <P0-S1> Although the forces of Saddam Hussein made several early advances, by mid 1982, the Iranian forces successfully managed to drive the Iraqi army back into Iraq. <P0-S2> In July 1982, with Iraq thrown on the defensive, Iran took the decision to invade Iraq and conducted countless offensives in a bid to conquer Iraqi territory and capture cities, such as Basra. <P0-S3> The war continued until 1988, when the Iraqi army defeated the Iranian forces inside Iraq and pushed the remaining Iranian troops back across the border. <P0-S4> Subsequently, Khomeini accepted a truce mediated by the UN. <P0-S5> The total Iranian casualties in the war were estimated to be 123,220–160,000 KIA, 60,711 MIA, and 11,000–16,000 civilians killed. <SEP> <P1-S0> raleigh is an early example in the united states of a planned city, chosen as the site of the state capital in 1788 and incorporated in 1792 as such. <P1-S1> the city was originally laid out in a grid pattern with the north carolina state capitol in union square at the center. <P1-S2> in the united states civil war the city was spared from any significant battle, only falling in the closing days of the war, though it did not escape the economic hardships that plagued the rest of the american south during the reconstruction era. <P1-S3> the twentieth century saw the opening of the research triangle park in 1959, and with the jobs it created the region and city saw a large influx of population, making it one of the fastest growing communities in the united states by the early 21st century. <SEP> <P2-S0> Tito's visits to the United States avoided most of the Northeast due to large minorities of Yugoslav emigrants bitter about communism in Yugoslavia. <P2-S1> Security for the state visits was usually high to keep him away from protesters, who would frequently burn the Yugoslav flag. <P2-S2> During a visit to the United Nations in the late 1970s emigrants shouted "Tito murderer" outside his New York hotel, for which he protested to United States authorities. <SEP> <P3-S0> There are seven state parks within the confines of New York City, including Clay Pit Ponds State Park Preserve, a natural area which includes extensive riding trails, and Riverbank State Park, a 28-acre (110,000 m2) facility that rises 69 feet (21 m) over the Hudson River. <SEP> <P4-S0> new york covers 54,555 square miles (141,300 km) and ranks as the 27th largest state by size. <P4-S1> the highest elevation in new york is mount marcy in the adirondacks, at 5,344 feet (1,629 meters) above sea level; while the state's lowest point is at sea level, on the atlantic ocean. <SEP> <P5-S0> The Hudson River is a 315 - mile (507 km) river that flows from north to south primarily through eastern New York in the United States. <P5-S1> The river originates in the Adirondack Mountains of Upstate New York, flows through the Hudson Valley, and eventually drains into the Atlantic Ocean, between New York City and Jersey City. <P5-S2> The river serves as a political boundary between the states of New Jersey and New York, and further north between New York counties. <P5-S3> The lower half of the river is a tidal estuary occupying the Hudson Fjord, an inlet which formed during the most recent period of North American glaciation, estimated at 26,000 to 13,300 years ago. <P5-S4> Tidal waters influence the Hudson's flow from as far north as Troy.