Question: How many meters is Riverbank State Park elevated above the river which is the largest in the state that Tito visited when he went to the Sinha Basnayake's employer?

<P0-S0> founded in 1829 on an isthmus between lake monona and lake mendota, madison was named the capital of the wisconsin territory in 1836 and became the capital of the state of wisconsin when it was admitted to the union in 1848. that same year, the university of wisconsin was founded in madison and the state government and university have become the city's two largest employers. <P0-S1> the city is also known for its lakes, restaurants, and extensive network of parks and bike trails, with much of the park system designed by landscape architect john nolen. <SEP> <P1-S0> Son of the prominent lawyer Hema Henry Basnayake, QC; he was educated at the Royal College, Colombo and graduated with a first class in law from the University of Oxford. <P1-S1> After qualifying as a barrister he joined the UN as a Legal Officer in the International Trade Law Branch of the Office of Legal Affairs, eventually becoming its Director. <P1-S2> Appointed as a President's Counsel by the government of Sri Lanka, he has served in many committees of the UN. <SEP> <P2-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. <P2-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. <P2-S2> The river serves as a political boundary between the states of New Jersey and New York, and further north between New York counties. <P2-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. <P2-S4> Tidal waters influence the Hudson's flow from as far north as Troy. <SEP> <P3-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. <P3-S1> Security for the state visits was usually high to keep him away from protesters, who would frequently burn the Yugoslav flag. <P3-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> <P4-S0> current estimates for world production are about 25 million tonnes or 110 million bales annually, accounting for 2.5% of the world's arable land. <P4-S1> china is the world's largest producer of cotton, but most of this is used domestically. <P4-S2> the united states has been the largest exporter for many years. <P4-S3> in the united states, cotton is usually measured in bales, which measure approximately 0.48 cubic meters (17 cubic feet) and weigh 226.8 kilograms (500 pounds). <SEP> <P5-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.