Question: What is the population of census-designated place (CDP) which was  Joe Bertram hometown

full_context: Document 1: David Ige: David Yutaka Ige ( ; born January 15, 1957) is an American politician who is the eighth and current Governor of Hawaii, in office since 2014. A Democrat, he previously served in the Hawaii State Senate, representing the 16th district, from 1995 to 2014. In the 2014 Hawaii gubernatorial election, he won the Democratic primary by defeating incumbent Governor Neil Abercrombie with 66% of the vote. Ige defeated Republican Duke Aiona and Independent Mufi Hannemann in the general election with 49.5% of the vote. He assumed office on December 1, 2014.
Document 2: Makani Christensen: Makani Christensen is a Democratic Party candidate for U.S. senator, representing Hawaii. He is the current chair of the Oʻ ahu Aha Moku Advisory Committee, of which advises the state of Hawaii. He is a combat Veteran of both Iraq and Afghanistan, and a graduate of the United States Naval Academy.
Document 3: Lahaina, Hawaii: Lāhainā is the largest census-designated place (CDP) in West Maui, Maui County, Hawaii, United States, and the gateway to the Ka'anapali and Kapalua beach resorts to its north. As of the 2010 census, the CDP had a resident population of 11,704. Lahaina encompasses the coast along Hawaii Route 30 from a tunnel at the south end, through Olawalu, and to the CDP of Napili-Honokowai to the north. During the tourist season, the population can swell to nearly 40,000 people.
Document 4: Joe Sestak: Joseph Ambrose "Joe" Sestak Jr. (born December 12, 1951) is an American politician and retired U.S. Navy officer. A member of the Democratic Party, he represented Pennsylvania 's 7 congressional district in the United States House of Representatives from 2007 to 2011 and was the Democratic nominee for the United States Senate in 2010, losing to Republican nominee Pat Toomey. A two-star admiral, he was the highest-ranking military official ever elected to the United States Congress at the time of his election.
Document 5: Neil Abercrombie: Neil Abercrombie (born June 26, 1938) is an American politician who served as the seventh Governor of Hawaii from 2010 to 2014. He is a member of the Democratic Party.
Document 6: Maui: The island of Maui ( ; Hawaiian: ] ) is the second-largest of the Hawaiian Islands at 727.2 square miles (1,883 km) and is the 17th-largest island in the United States. Maui is part of the State of Hawaii and is the largest of Maui County's four islands, which include Molokaʻ i, Lānaʻ i, and unpopulated Kahoʻ olawe. In 2010, Maui had a population of 144,444, third-highest of the Hawaiian Islands, behind that of Oʻ ahu and Hawaiʻ i Island. Kahului is the largest census-designated place (CDP) on the island with a population of 26,337 as of 2010 and is the commercial and financial hub of the island. Wailuku is the seat of Maui County and is the third-largest CDP as of 2010 . Other significant places include Kīhei (including Wailea and Makena in the Kihei Town CDP, the island's second-most-populated CDP), Lahaina (including Kāʻ anapali and Kapalua in the Lahaina Town CDP), Makawao, Pukalani, Pāʻ ia, Kula, Haʻ ikū, and Hāna.
Document 7: Joe Heck: Joseph John “Joe” Heck (born October 30, 1961) is an American politician, physician, and U.S. Army Brigadier General who had served as the U.S. Representative for Nevada's 3rd congressional district from 2011 to 2017. Heck, a member of the Republican Party, is a board-certified physician and served as a Nevada State Senator from 2004-08. He ran unsuccessfully against Democrat Catherine Cortez Masto in the general election for the open Nevada United States Senate seat in 2016. In the same year, Heck made headlines by joining a long list of Republicans who opposed the GOP nominee for President, Donald Trump.
Document 8: Kihei, Hawaii: Kīhei is a census-designated place (CDP) in Maui County, Hawaiʻ i, United States. The population was 20,881 at the 2010 census.
Document 9: Mazie Hirono: Mazie Keiko Hirono ( ; Japanese name: 広野 慶子 "Hirono Keiko"; born November 3, 1947) is an American politician and the junior United States Senator from Hawaii, in office since 2013. Hirono, a member of the Democratic Party, previously served as a member of the Hawaii House of Representatives from 1985 to 1995 and as the Lieutenant Governor of Hawaii from 1994 to 2002, serving under Governor Ben Cayetano. She was the Democratic nominee for Governor of Hawaii in 2002 but was defeated by Republican Linda Lingle. She then served as a member of the United States House of Representatives for Hawaii's 2nd congressional district from 2007 to 2013.
Document 10: Hawaii Tea Party: The Hawaii Tea Party are regional grassroots affiliates with the Tea Party each of which are broken down into seven smaller parties Hilo Tea Party Patriots (Hilo), Honolulu Professionals for Change (Honolulu), Kauai TEA Party (Kauai) Kona TEA Party (Kona), Maui Tea Party (Maui) Oahu Tea Party (Ewa Beach) Tea Party Wahiawa (Wahiawa).
Document 11: Kailua, Hawaii County, Hawaii: Kailua is a census-designated place (CDP) in Hawaiʻ i County, Hawaii, United States, in the North Kona District of the Island of Hawaiʻ i. The population was 11,975 at the 2010 census, up from 9,870 at the 2000 census. It is the center of commerce and of the tourist industry on West Hawaiʻ i. Its post office is designated Kailua-Kona to differentiate it from Kailua located on the windward side of Oʻ ahu island, and it is sometimes referred to as Kona in everyday speech. The city is served by Kona International Airport, located just to the north in the adjacent Kalaoa CDP. Kailua-Kona was the closest major settlement to the epicenter of the 2006 Kiholo Bay earthquake.
Document 12: Joe Bertram: Joe Bertram III is an American politician from the Hawaiian island of Maui, who served as a member of the Hawaii House of Representatives. A Democrat, he represented the 11th district in south Maui, which includes the communities of Wailea-Makena and Kihei, his hometown. He was a candidate for reelection in 2010 but lost the general election to Republican nominee George R. Fontaine. He left office in January 2011.
Document 13: Maui: The island of Maui ( ; Hawaiian: ] ) is the second-largest of the Hawaiian Islands at 727.2 square miles (1,883 km) and is the 17th-largest island in the United States. Maui is part of the State of Hawaii and is the largest of Maui County's four islands, which include Molokaʻ i, Lānaʻ i, and unpopulated Kahoʻ olawe. In 2010, Maui had a population of 144,444, third-highest of the Hawaiian Islands, behind that of Oʻ ahu and Hawaiʻ i Island. Kahului is the largest census-designated place (CDP) on the island with a population of 26,337 as of 2010 and is the commercial and financial hub of the island. Wailuku is the seat of Maui County and is the third-largest CDP as of 2010 . Other significant places include Kīhei (including Wailea and Makena in the Kihei Town CDP, the island's second-most-populated CDP), Lahaina (including Kāʻ anapali and Kapalua in the Lahaina Town CDP), Makawao, Pukalani, Pāʻ ia, Kula, Haʻ ikū, and Hāna.
Document 14: Lihue, Hawaii: Lihue or Līhuʻ e is an unincorporated census-designated place (CDP) and the county seat of Kauai County, Hawaii. Lihue (pronounced ] ) is the second largest town on the Hawaiian island of Kauaʻ i after Kapaʻ a. As of the 2010 Census, the CDP had a total population of 6,455.
Document 15: Kahului, Hawaii: Kahului is a census-designated place (CDP) in Maui County, on the island of Maui, in the U.S. state of Hawaii. Kahului hosts Maui's main airport (Kahului Airport), deep-draft harbor, light industrial areas, and commercial shopping centers. The population was 26,337 at the 2010 census.
ground_truth: 20,881 at the 2010 census