<Table> <Tr> <Th_colspan="2"> San Fernando </Th> </Tr> <Tr> <Td_colspan="2"> Component City </Td> </Tr> <Tr> <Td_colspan="2"> City of San Fernando </Td> </Tr> <Tr> <Td_colspan="2"> San Fernando Skyline </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Seal </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Nickname (s): The Prime Capital of Ilocandia Botanical Garden City </Td> </Tr> <Tr> <Td_colspan="2"> Map of La Union with San Fernando highlighted </Td> </Tr> <Tr> <Td_colspan="2"> San Fernando Location within the Philippines </Td> </Tr> <Tr> <Td_colspan="2"> Coordinates: 16 ° 37 ′ N 120 ° 19 ′ E ﻿ / ﻿ 16.62 ° N 120.32 ° E ﻿ / 16.62; 120.32 Coordinates: 16 ° 37 ′ N 120 ° 19 ′ E ﻿ / ﻿ 16.62 ° N 120.32 ° E ﻿ / 16.62; 120.32 </Td> </Tr> <Tr> <Th> Country </Th> <Td> Philippines </Td> </Tr> <Tr> <Th> Region </Th> <Td> Ilocos Region (Region I) </Td> </Tr> <Tr> <Th> Province </Th> <Td> La Union </Td> </Tr> <Tr> <Th> District </Th> <Td> 1st District </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 1850 </Td> </Tr> <Tr> <Th> Cityhood </Th> <Td> March 20, 1998 </Td> </Tr> <Tr> <Th> Barangays </Th> <Td> 59 (see Barangays) </Td> </Tr> <Tr> <Th_colspan="2"> Government </Th> </Tr> <Tr> <Th> Type </Th> <Td> Sangguniang Panlungsod </Td> </Tr> <Tr> <Th> Mayor </Th> <Td> Hermenegildo A. Gualberto </Td> </Tr> <Tr> <Th> Electorate </Th> <Td> 66,197 voters (2016) </Td> </Tr> <Tr> <Th_colspan="2"> Area </Th> </Tr> <Tr> <Th> Total </Th> <Td> 102.72 km (39.66 sq mi) </Td> </Tr> <Tr> <Th_colspan="2"> Population (2015 census) </Th> </Tr> <Tr> <Th> Total </Th> <Td> 121,812 </Td> </Tr> <Tr> <Th> Density </Th> <Td> 1,200 / km (3,100 / sq mi) </Td> </Tr> <Tr> <Th> Time zone </Th> <Td> UTC + 8 (PST) </Td> </Tr> <Tr> <Th> ZIP code </Th> <Td> 2500 </Td> </Tr> <Tr> <Th> PSGC </Th> <Td> 013314000 </Td> </Tr> <Tr> <Th> IDD: area code </Th> <Td> + 63 (0) 72 </Td> </Tr> <Tr> <Th> Climate type </Th> <Td> Tropical monsoon climate </Td> </Tr> <Tr> <Th> Income class </Th> <Td> 3rd city income class </Td> </Tr> <Tr> <Th> Revenue (₱) </Th> <Td> 681,363,863.32 (2016) </Td> </Tr> <Tr> <Th> Native languages </Th> <Td> Ilocano Tagalog </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.sanfernandocity.gov.ph </Td> </Tr> </Table> <Tr> <Th_colspan="2"> San Fernando </Th> </Tr>

How many barangays in san fernando city la union