Question: Doniphan is an incorporated community in Kansas within a larger County with most populous city?

Context paragraphs:
Dupree, South Dakota: Dupree is a city in Ziebach County, South Dakota, United States.  The population was 525 at the 2010 census.  It is the county seat of Ziebach County, and the only incorporated community located fully within its borders.

Sun City Hilton Head: Del Webb's Sun City Hilton Head (often shortened to Sun City Hilton Head or Sun City locally) is an age-restricted master planned community located in the Okatie area of Beaufort and Jasper counties in the Lowcountry region of South Carolina.  Although not a separate incorporated community or census-designated place, there are close to 10,000 permanent residents within three major phases of the community, which is clustered around its golf courses and community centers.  The community is also renowned for its political activism, with many local, state, and national candidates for political office stopping in Sun City while in the area.  Sun City is included within the Hilton Head Island-Bluffton-Beaufort, SC Metropolitan Statistical Area.

Doniphan, Kansas: Doniphan is a small unincorporated community in Doniphan County, Kansas, United States.  Doniphan is part of the St. Joseph, MO–KS Metropolitan Statistical Area.

Scheduled Monuments in Pembrokeshire: Pembrokeshire is the fifth-largest county in Wales, but has more Ancient Monuments (526) than any except Powys.  This gives it an extremely high density of monuments, with 33.4 per 100km2.  (Only the tiny County Boroughs of Newport and Merthyr Tydfil have a higher density).  With three-quarters of its boundary being coastline, Pembrokeshire occupies the western end of the West Wales peninsular, terminating with the tiny cathedral city of St David's.  It was a historic county in its own right but between 1975 and 1996 it joined Carmarthen and Ceredigion in the much larger county of Dyfed.

Doniphan County, Kansas: Doniphan County (county code DP) is a county located in the U.S. state of Kansas.  As of the 2010 census, the county population was 7,945.  Its county seat is Troy, and its most populous city is Wathena.

St. Joseph Charter Township, Michigan: St. Joseph Charter Township is a charter township of Berrien County in the U.S. state of Michigan.  The population was 10,028 at the 2010 census.  The township is on the shores of Lake Michigan in the west central portion of the county, south of and adjacent to the city of St. Joseph.  The village of Shoreham, on Lake Michigan south of St. Joseph city, is the only incorporated community within the boundaries of the township.  Both the village and township are bedroom communities for the city of St. Joseph.

List of villages in Nova Scotia: A village is a type of unincorporated community in the Canadian Province of Nova Scotia that has a commission established under the "Municipal Government Act" for the purpose of providing certain municipal services to a defined area within its larger county or district municipality.

Los Angeles County, California: Los Angeles County, officially the County of Los Angeles, is the most populous county in the United States.  Its population is larger than that of 42 individual U.S. states.  It has 88 incorporated cities and many unincorporated areas and at 4083 sqmi , it is larger than the combined areas of the U.S. states of Delaware and Rhode Island.  The county is home to more than one-quarter of California residents and is one of the most ethnically diverse counties in the U.S. Its county seat, the City of Los Angeles, is also its most populous city at about four million.

Roberts County, Texas: Roberts County is a county located in the U.S. state of Texas.  As of the 2010 census, its population was 929, making it the seventh-least populous county in Texas.  Its county seat is Miami, which is also the county's only incorporated community.  The county was created in 1876 and organized in 1889.  It is named for Oran Milo Roberts, a governor of Texas.  Roberts County is one of 7 prohibition, or entirely dry, counties in the state of Texas.

Arthur County, Nebraska: Arthur County is a county in the U.S. state of Nebraska.  As of the 2010 census, the population was 460, making it Nebraska's least populous county and the fifth-least populous county in the United States (behind only Loving County, Texas, Kalawao County, Hawaii, King County, Texas, and Kenedy County, Texas).  Its county seat and only incorporated community is Arthur.

Supporting paragraphs: Doniphan, Kansas Doniphan County, Kansas
Answer: Wathena