Question: How many counties are in the region of Tennessee in which Rocky Fork State Park is located?
Context: Fox is an unincorporated community in Carbon County, Montana, United States.  It was named for Dr. J.M. Fox, first manager of the Rocky Fork Coal Company and the Rocky Fork & Cooke City Railroad.  At one time, Fox had two elevators and was the largest grain shipping point in Carbon County.  Finnish immigrant miners settled here, and as late as 1920 their children still spoke Finnish at home and on the playground, and English only in the classroom.  Fox was an important stop on the Northern Pacific Railway to Red Lodge, and many of the buildings still stand, most notably the old Fox Elevator.  Although it is unincorporated, Fox has a post office with a ZIP code of 59070.  Fox lies on U.S. Route 212 southwest of Roberts and northeast of Red Lodge. Beech Fork State Park is a state park located in Cabell County and Wayne County, West Virginia.  The park is located on the tailwater shores of Beech Fork Lake, a flood control impoundment of the U.S. Army Corps of Engineers on the Beech Fork of Twelvepole Creek.  Since its development in the mid-1970s, Beech Fork State Park has proven to be a popular recreation spot for the residents of nearby Barboursville and Huntington, West Virginia, as well as those living in the surrounding region.  The park is located about 10 mi south of the Hal Greer Exit (Exit 11) of Interstate 64. Rocky Fork State Park is a state park located at 9800 North Shore Drive in Highland County, Ohio, United States.  Rocky Fork State Park contains the 1992 acre Rocky Fork Lake with 30.9 miles of shoreline.  The lake was added to the state park system in 1950. South Fork State Recreation Area is a state park unit of Nevada, USA, surrounding the 1650 acre South Fork Reservoir, located 15 mi south of the town of Elko.  The park comprises the reservoir, impounded on the South Fork of the Humboldt River in 1988, surrounded by 2200 acre of marsh, meadowland, and hills.  Facilities include a 25-site campground, a boat ramp, and a parking area near the South Fork Dam.  The reservoir is known for its trophy-class trout and bass fishing.  South Fork Canyon, managed by the Bureau of Land Management below the dam, is available for hiking, floating, and fishing. Cummins Falls State Park is a 211 acre state park located northwest of Cookeville in Jackson County in the U.S. state of Tennessee.  Its namesake, Cummins Falls, is a 75 ft waterfall, which is located on the Blackburn Fork State Scenic River.  The park was purchased and created by the Tennessee Parks and Greenways Foundation in 2011. Marshall is an unincorporated community in central Marshall Township, Highland County, Ohio, United States.  It lies at the intersection of State Routes 124 and 506.  Rocky Fork Lake, the site of Rocky Fork State Park, is located 2 miles (3 km) to the north.  It lies 7 miles (11 km) east-southeast of the city of Hillsboro, the county seat of Highland County.  An early variant name was West Liberty. East Tennessee comprises approximately the eastern third of the U.S. state of Tennessee, one of the three Grand Divisions of Tennessee defined in state law.  East Tennessee consists of 33 counties, 30 located within the Eastern Time Zone and three counties in the Central Time Zone, namely Bledsoe, Cumberland, and Marion.  East Tennessee is entirely located within the Appalachian Mountains, although the landforms range from densely forested 6000 ft mountains to broad river valleys.  The region contains the major cities of Knoxville, Chattanooga and Johnson City, Tennessee's third, fourth and ninth largest cities, respectively. The Big Rocky Fork Covered Bridge is 1 mi southeast of Mansfield, Indiana, on County Road 720 and about 2 mi east of State Road 59.  It is located in Parke County.  The length is 88 ft including the 8 ft overhang at each end.  This single span Burr Arch Truss structure was built in 1900 by J. J. Daniels.  The road bypassed this structure in 1988.  Though no historical marker is in place, the Big Rocky Fork Covered Bridge was added to the National Register of Historic Places in 1978.  The area around this bridge was known to be a favorite hideout for the infamous John Dillinger. Rocky Fork State Park is a 2,037 acre state park in Unicoi County in East Tennessee.  It is situated in the Blue Ridge region of the Appalachian Mountains, close to the Tennessee-North Carolina state line.  The park is adjacent to the Cherokee National Forest, and it is in close proximity to the Appalachian Trail.  The Sampson Mountain Wilderness is also nearby. The Rocky Fork Park Site is an archaeological site in the southeastern part of the U.S. state of Ohio.  Located in Rocky Fork State Park in eastern Highland County, the site's earthworks have been designated a historic site because of their archaeological importance.
Answer: 33