Question: Who is current mayor of the city where the performer of In Hiding was formed?

<P0-S0> Pearl Jam is an American rock band formed in 1990 in Seattle, Washington. <P0-S1> The band's current lineup comprises founding members Eddie Vedder (lead vocals), Mike McCready (lead guitar), Stone Gossard (rhythm guitar) and Jeff Ament (bass), and longtime drummer Matt Cameron. <P0-S2> Keyboardist Boom Gaspar has also been a session/touring member with the band since 2002. <P0-S3> Drummers Jack Irons, Dave Krusen, Matt Chamberlain and Dave Abbruzzese are former members of the band. <SEP> <P1-S0> the administration of london is formed of two tiers—a city-wide, strategic tier and a local tier. <P1-S1> city-wide administration is coordinated by the greater london authority (gla), while local administration is carried out by 33 smaller authorities. <P1-S2> the gla consists of two elected components; the mayor of london, who has executive powers, and the london assembly, which scrutinises the mayor's decisions and can accept or reject the mayor's budget proposals each year. <P1-S3> the headquarters of the gla is city hall, southwark; the mayor is boris johnson. <P1-S4> the mayor's statutory planning strategy is published as the london plan, which was most recently revised in 2011. the local authorities are the councils of the 32 london boroughs and the city of london corporation. <P1-S5> they are responsible for most local services, such as local planning, schools, social services, local roads and refuse collection. <P1-S6> certain functions, such as waste management, are provided through joint arrangements. <P1-S7> in 2009–2010 the combined revenue expenditure by london councils and the gla amounted to just over £22 billion (£14.7 billion for the boroughs and £7.4 billion for the gla). <SEP> <P2-S0> "In Hiding" is a song by the American rock band Pearl Jam. <P2-S1> Featuring lyrics written by vocalist Eddie Vedder and music written by guitarist Stone Gossard, "In Hiding" is the eleventh track on the band's fifth studio album, "Yield" (1998). <P2-S2> Despite the lack of a commercial single release, the song managed to reach number 13 on the "Billboard" Modern Rock Tracks chart and number 14 on their Mainstream Rock Tracks chart. <SEP> <P3-S0> ann arbor has a council-manager form of government. <P3-S1> the city council has 11 voting members: the mayor and 10 city council members. <P3-S2> the mayor and city council members serve two-year terms: the mayor is elected every even-numbered year, while half of the city council members are up for election annually (five in even-numbered and five in odd-numbered years). <P3-S3> two council members are elected from each of the city's five wards. <P3-S4> the mayor is elected citywide. <P3-S5> the mayor is the presiding officer of the city council and has the power to appoint all council committee members as well as board and commission members, with the approval of the city council. <P3-S6> the current mayor of ann arbor is christopher taylor, a democrat who was elected as mayor in 2014. day-to-day city operations are managed by a city administrator chosen by the city council. <SEP> <P4-S0> Like most parts of the United States, government and laws are also run by a series of ballot initiatives (allowing citizens to pass or reject laws), referenda (allowing citizens to approve or reject legislation already passed), and propositions (allowing specific government agencies to propose new laws/tax increases directly to the people). <P4-S1> Federally, Seattle is part of Washington's 7th congressional district, represented by Democrat Jim McDermott, elected in 1988 and one of Congress's liberal members. <P4-S2> Ed Murray is currently serving as mayor.