user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: What is there to do in San Diego, California that's an event that's been recurring since 1998? 
Knowledge Triplets: San Diego, book.book_subject.works, A Deadly Game: The Untold Story of the Scott Peterson Investigation
San Diego CityBeat, book.newspaper.owner, Southland Publishing
San Diego, film.film_location.featured_in_films, Paranormal Activity
U-T San Diego, book.periodical.language, American English
m.03ljxgq, common.webpage.topic, SeaWorld San Diego
San Diego, film.film_location.featured_in_films, Crossing the Line
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Monkey Exhibit
Old Town San Diego State Historic Park, location.location.containedby, San Diego
m.07w2r4p, base.newsevents.news_report.news_reporting_organisation, U-T San Diego
m.03ldg3h, common.webpage.topic, San Diego Zoo
m.0b4619z, common.webpage.topic, San Diego
The Sum of All Fears, film.film.featured_film_locations, San Diego
San Diego Toreros, common.topic.image, san diego.gif
SeaWorld San Diego, amusement_parks.park.rides, Shipwreck Rapids
m.09yh8cc, common.webpage.topic, San Diego
SeaWorld San Diego, common.topic.notable_types, Amusement Park
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Scripps Aviary
The San Diego Door, common.topic.notable_types, Newspaper
The San Diego Door, book.periodical.final_issue_date, m.0j0y0_0
m.09yhr59, common.webpage.topic, San Diego
San Diego Fire-Rescue Department, organization.organization.place_founded, San Diego
San Diego, travel.travel_destination.how_to_get_here, m.052mzq7
m.0b466y3, common.webpage.topic, San Diego
m.09xvxlc, common.webpage.topic, San Diego
San Diego, travel.travel_destination.tourist_attractions, San Diego Zoo
m.0b47hvj, common.webpage.topic, San Diego
San Diego, travel.travel_destination.tourist_attractions, Old Town San Diego State Historic Park
m.09ycnn9, common.webpage.topic, San Diego
Bay Park, San Diego, location.location.containedby, California
U-T San Diego, book.periodical.editorial_staff, m.0ldk_r1
San Diego Zoo Safari Park, zoos.zoo.memberships, Association of Zoos and Aquariums
U-T San Diego, book.periodical.format, m.02npbr5
SeaWorld San Diego, amusement_parks.park.rides, Elmo's Flying Fish
Aquatica San Diego, organization.organization.email, m.0109_wvf
m.02np8pv, book.periodical_format_period.periodical, San Diego Reader
San Diego Daily Transcript, common.topic.notable_for, g.1255syl59
San Diego, common.topic.webpage, m.09wycsc
San Diego Zoo, zoos.zoo.exhibits, Asian Passage Lion-Tailed Macaque Exhibit
San Diego Zoo Safari Park, location.location.containedby, California
San Diego Zoo, zoos.zoo.exhibits, Outback Koala Exhibit
San Diego–Tijuana, location.location.partially_containedby, California
San Diego Zoo Safari Park, zoos.zoo.exhibits, Condor Ridge
San Diego, travel.travel_destination.tourist_attractions, Belmont Park
Rock 'n' Roll San Diego Marathon, common.topic.image, San Diego marathon-201006
San Diego, common.topic.webpage, m.09wg7q3
Old Town San Diego 012, common.image.appears_in_topic_gallery, Old Town, San Diego
U-T San Diego, book.newspaper.owner, Copley Press
San Diego, common.topic.webpage, m.0b4619z
California, travel.travel_destination.tourist_attractions, San Diego Zoo
U-T San Diego, book.periodical.first_issue_date, m.02npn05
m.03lc9j_, common.webpage.topic, San Diego
San Diego, common.topic.webpage, m.09yf5km
SeaWorld San Diego, common.topic.image, Journey to Atlantis attraction.
San Diego, common.topic.webpage, m.09wn1g2
San Diego, tv.tv_location.tv_shows_filmed_here, RiffTrax
San Diego Zoo, zoos.zoo.exhibits, Urban Jungle Giraffe Exhibit
San Diego Zoo Safari Park, zoos.zoo.exhibits, Asian Savanna
San Diego, travel.travel_destination.tourist_attractions, Timken Museum of Art
San Diego Reader, common.topic.article, m.0bkccm
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Orangutan and Siamang Exhibit
San Diego Zoo Safari Park, zoos.zoo.exhibits, Tiger Territory
Rent, film.film.featured_film_locations, San Diego
San Diego, common.topic.webpage, m.09x10xq
University of California, San Diego, location.location.containedby, La Jolla
Old Town, San Diego, common.topic.article, m.09rwmc8
m.09yhrjz, common.webpage.topic, San Diego
Hilton San Diego Bayfront, common.topic.notable_types, Accommodation
m.09x10xq, common.webpage.topic, San Diego
SeaWorld San Diego, travel.tourist_attraction.near_travel_destination, San Diego
San Diego, film.film_location.featured_in_films, Citizen Kane
San Diego, common.topic.webpage, m.09yhcvs
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Bonobo Exhibit
m.0b496yr, common.webpage.topic, San Diego
Kearny Mesa, San Diego, common.topic.image, Federal Works Agency defense constr 1941
San Diego, book.book_subject.works, Inside the Mind of Scott Peterson
San Diego, base.biblioness.bibs_location.state, California
San Diego Zoo, common.topic.image, SDZooSign
m.0fpskt4, common.webpage.topic, U-T San Diego
San Diego Zoo, zoos.zoo.memberships, American Alliance of Museums
m.09yk7zf, common.webpage.topic, San Diego
University of California, San Diego, location.location.containedby, California
m.07w2r5t, base.newsevents.news_report.news_reporting_organisation, U-T San Diego
3043 San Diego, common.topic.webpage, m.0cvjb5n
SeaWorld San Diego, common.topic.image, Seaworld 2006
San Diego Zoo, zoos.zoo.exhibits, Discovery Outpost Giant Tortoise Exhibit
Allied Gardens, San Diego, common.topic.article, m.0gnf2_
san diego.gif, common.image.appears_in_topic_gallery, San Diego Toreros men's basketball
San Diego Zoo, travel.tourist_attraction.near_travel_destination, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Gorilla Exhibit
San Diego Zoo, zoos.zoo.exhibits, Africa Rocks Meerkat Exhibit
Old Town, San Diego, location.location.contains, La Casa de Juan Bandini
Point Loma, San Diego, common.topic.image, Pointloma2
San Diego, common.topic.notable_for, g.125bwrlpg
San Diego Trolley, common.topic.notable_for, g.1259f0_m6
San Diego Daily Transcript, book.newspaper.circulation_areas, San Diego
Rock 'n' Roll San Diego Marathon, common.topic.webpage, m.0gx6xyr
san diego.gif, common.image.appears_in_topic_gallery, San Diego Toreros
San Diego Reader, common.topic.notable_for, g.125bspxvp
m.09wycsc, common.webpage.topic, San Diego
San Diego Zoo, zoos.zoo.exhibits, Polar Rim Reindeer Exhibit
The San Diego Door, book.newspaper.circulation_areas, San Diego
Old Town, San Diego, location.location.containedby, California
San Diego Fire-Rescue Department, common.topic.image, SDFDpatch
San Diego Zoo Safari Park, common.topic.article, m.096px
San Diego, location.citytown.postal_codes, 92167
SD Montage, common.image.appears_in_topic_gallery, San Diego
Hilton San Diego Bayfront, location.location.events, 2013 Comic-Con International
Rock 'n' Roll San Diego Marathon, common.topic.image, Richard Limo
m.0b48v9_, common.webpage.topic, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Flamingo Exhibit
92093, location.location.containedby, San Diego
San Diego, common.topic.article, m.071w1
m.09xrv2d, common.webpage.topic, San Diego
m.0ldk_r1, book.editorial_tenure.periodical, U-T San Diego
SeaWorld San Diego, amusement_parks.park.rides, Manta
San Diego Downtown News, book.newspaper.circulation_areas, San Diego County
San Diego, common.topic.webpage, m.03lc9j_
San Diego County, location.location.events, San Diego County fire
m.0hzvw48, common.webpage.topic, U-T San Diego
San Diego, common.topic.webpage, m.09xty2d
Kearny Mesa, San Diego, common.topic.article, m.027_snk
San Diego County, common.topic.article, m.0l2rv
m.09y0q_m, common.webpage.topic, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Otter and Swamp Monkey Exhibit
The San Diego Door, book.periodical.first_issue_date, m.0j0y0zr
San Diego Trolley, common.topic.image, San Diego Trolley 1065
m.09yf5km, common.webpage.topic, San Diego
Balboa Park, travel.tourist_attraction.near_travel_destination, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Parker Aviary
m.07w2r6m, base.newsevents.news_report.news_reporting_organisation, U-T San Diego
Old Town San Diego State Historic Park, common.topic.notable_types, Tourist attraction
San Diego, common.topic.subject_of, Hotel Palomar San Diego, a Kimpton Hotel
UCSD Guardian, book.newspaper.circulation_areas, San Diego
U-T San Diego, book.newspaper.circulation_areas, San Diego
San Diego, travel.travel_destination.tourist_attractions, Cabrillo National Monument
m.03lhgdm, common.webpage.topic, San Diego Reader
San Diego, travel.travel_destination.tourist_attractions, Hotel del Coronado
San Diego Zoo Safari Park, common.topic.image, Sign inside the park
University of California, San Diego, location.location.containedby, United States of America
Balboa Park, common.topic.image, San Diego Fair 1916 Laguna Flores
m.05nncd8, common.webpage.topic, San Diego Zoo
SeaWorld San Diego, amusement_parks.park.rides, Journey to Atlantis
Aquatica San Diego, organization.organization.parent, m.0109555x
San Diego Zoo Safari Park, zoos.zoo.exhibits, Lion Camp
Allied Gardens, San Diego, common.topic.notable_types, Neighborhood
San Diego County, common.topic.notable_for, g.125ftf9sr
San Diego Reader, book.newspaper.circulation_areas, San Diego
Kearny Mesa, San Diego, common.topic.notable_for, g.125b2p9hn
m.09xhjrs, common.webpage.topic, San Diego
San Diego, common.topic.webpage, m.09x49kb
Mission San Diego de Alcalá, common.topic.image, Serra in San Diego May 19 1770
Rock 'n' Roll San Diego Marathon, travel.tourist_attraction.near_travel_destination, San Diego
San Diego, common.topic.webpage, m.09xvxlc
m.09x43lf, common.webpage.topic, San Diego
Skyline of San Diego, California, common.image.size, m.02dtnqw
San Diego, film.film_location.featured_in_films, Deep Blue Sea
San Diego Zoo Safari Park, zoos.zoo.exhibits, African Outpost
San Diego Reader, book.periodical.first_issue_date, m.02nppwk
Aquatica San Diego, travel.tourist_attraction.near_travel_destination, San Diego
San Diego, film.film_location.featured_in_films, My Son, My Son, What Have Ye Done?
San Diego, common.topic.webpage, m.0b466y3
U-T San Diego, common.topic.webpage, m.03kwgtz
Children's Pool Beach, travel.tourist_attraction.near_travel_destination, San Diego
University of California, San Diego, education.educational_institution.campuses, University of California, San Diego
3043 San Diego, astronomy.astronomical_discovery.discovery_site, Palomar Observatory
San Diego, travel.travel_destination.how_to_get_here, m.052mztp
The San Diego Door, common.topic.notable_for, g.1254zc4z4
m.09x49kb, common.webpage.topic, San Diego
San Diego Zoo Safari Park, zoos.zoo.exhibits, Elephant Valley
San Diego, location.location.containedby, California
San Diego Zoo Safari Park, common.topic.notable_for, g.125bn8k3y
San Diego Fire-Rescue Department, government.government_agency.jurisdiction, San Diego
San Diego–Tijuana, common.topic.image, SD-TJ Montage
U-T San Diego, book.newspaper.headquarters, m.04ywqbz
San Diego Country Estates, location.location.containedby, California
San Diego County, location.location.events, 2010 Oceanside International Film Festival
m.09wytx8, common.webpage.topic, San Diego
San Diego, travel.travel_destination.tourist_attractions, San Diego Zoo Safari Park
m.0b483s8, common.webpage.topic, San Diego
San Diego CityBeat, book.newspaper.headquarters, m.0j023fb
The San Diego Door, common.topic.article, m.0cw829
San Diego, travel.travel_destination.tourist_attractions, Birch Aquarium
San Diego Zoo, zoos.zoo.exhibits, Outback Wallaby Exhibit
San Diego, common.topic.webpage, m.0b48v9_
The San Diego skyline on March 31, 2007., common.image.size, m.02d3jb0
San Diego Zoo Safari Park, zoos.zoo.exhibits, Gorilla Forest
San Diego Zoo, zoos.zoo.exhibits, Asian Passage Sun Bear Exhibit
San Diego, common.topic.webpage, m.09xhjrs
Old Town San Diego State Historic Park, location.location.containedby, California
San Diego CityBeat, book.periodical.frequency_or_issues_per_year, m.09s587h
Kearny Mesa, San Diego, common.topic.image, KearnyMesa convoy
Hotel Solamar San Diego, a Kimpton Hotel, common.topic.subjects, San Diego
Mission Valley, location.location.events, San Diego Killing, Christmas Eve 2013
San Diego, travel.travel_destination.tourist_attractions, USS Midway
San Diego, common.topic.webpage, m.0b496yr
The San Diego skyline on March 31, 2007., common.image.appears_in_topic_gallery, San Diego
U-T San Diego, book.periodical.frequency_or_issues_per_year, m.0770btf
92101, location.location.contains, San Diego
m.09y3sxx, common.webpage.topic, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Owens Aviary
San Diego Fire-Rescue Department, freebase.valuenotation.has_value, Date founded
San Diego Zoo, zoos.zoo.exhibits, Panda Canyon Panda Exhibit
San Diego Aviators, sports.sports_team.location, San Diego
San Diego, travel.travel_destination.tourist_attractions, Balboa Park
Point Loma, San Diego, common.topic.image, Point loma lighthouse
Old Town, San Diego, common.topic.notable_for, g.1ynl2qjjc
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Tapir Exhibit
m.09wg7q3, common.webpage.topic, San Diego
San Diego County, location.location.events, May 2014 San Diego County wildfires
Maritime Museum of San Diego, common.topic.notable_types, Museum
San Diego, common.topic.webpage, m.09yhfq0
San Diego Zoo, zoos.zoo.memberships, World Association of Zoos and Aquariums
San Diego Fire-Rescue Department, common.topic.image, SDFD E28
San Ysidro McDonald's massacre, time.event.locations, San Diego
San Diego Aviators, sports.sports_team.sport, Tennis
San Diego, film.film_location.featured_in_films, The Sum of All Fears
U-T San Diego, common.topic.webpage, m.0fpskt4
San Diego, base.ndbcd.buoy.owned_by, National Ocean Service
San Diego, common.topic.webpage, m.09x63n2
San Diego, travel.travel_destination.tourist_attractions, Aquatica San Diego
m.0gx6xyr, common.webpage.topic, Rock 'n' Roll San Diego Marathon
SeaWorld San Diego, common.topic.webpage, m.062v5yl
San Diego Fire-Rescue Department, common.topic.article, m.0gktz9
m.09yhfq0, common.webpage.topic, San Diego
Aquatica San Diego, location.location.containedby, California
San Diego Reader, book.periodical.frequency_or_issues_per_year, m.09s58cz
Rock 'n' Roll San Diego Marathon, common.topic.article, m.0fnfb9
A Deadly Game: The Untold Story of the Scott Peterson Investigation, book.written_work.subjects, San Diego
San Diego Reader, book.periodical.format, m.02np8pv
San Diego, common.topic.notable_types, City/Town/Village
San Diego, common.topic.image, Skyline of San Diego, California
The San Diego Door, book.newspaper.headquarters, m.0j0y11y
San Diego, common.topic.webpage, m.09y3sxx
University of California, San Diego, freebase.valuenotation.is_reviewed, Headquarters
San Diego, travel.travel_destination.tourist_attractions, Rock 'n' Roll San Diego Marathon
San Diego, base.retail.retail_outlet.retailer, AutoAnything
The Mesa Press, book.newspaper.circulation_areas, San Diego
Crossing the Line, film.film.featured_film_locations, San Diego
Deep Blue Sea, film.film.featured_film_locations, San Diego
San Diego, location.location.containedby, 92101
San Diego Trolley, common.topic.image, Trolley in Old Town.
San Diego Zoo, zoos.zoo.exhibits, Polar Rim Arctic Aviary Exhibit
San Diego Zoo, zoos.zoo.exhibits, Outback Camel Exhibit
SeaWorld San Diego, common.topic.webpage, m.03ljxgq
Old Town San Diego State Historic Park, common.topic.image, Old Town San Diego 010
San Diego, travel.travel_destination.tourist_attractions, La Jolla Cove
San Diego Zoo, zoos.zoo.exhibits, Africa Rocks Big Cats Exhibit
SeaWorld San Diego, amusement_parks.park.rides, SkyTower
Old Town San Diego State Historic Park, common.topic.article, m.04c6gp
Dixie Chicks: Shut Up and Sing, film.film.featured_film_locations, San Diego
m.09x63n2, common.webpage.topic, San Diego
Gay and Lesbian Times, book.newspaper.circulation_areas, San Diego
San Diego, common.topic.subject_of, Hotel La Jolla, a Kimpton Hotel
m.09xsgx0, common.webpage.topic, San Diego
San Diego, film.film_location.featured_in_films, Rent
SeaWorld San Diego, amusement_parks.park.rides, Bayside Skyride
SeaWorld San Diego, organization.organization.email, m.010q2dv7
Old Town San Diego State Historic Park, common.topic.notable_for, g.125b7l86f
San Diego Zoo Safari Park, common.topic.webpage, m.0gw20lm
San Diego–Tijuana, common.topic.image, Map of the San Diego-Tijuana
San Diego, common.topic.webpage, m.09ycnn9
University of California, San Diego, location.location.containedby, San Diego County
San Diego Zoo, common.topic.webpage, m.05nncd8
San Diego, common.topic.webpage, m.09xzpk4
San Diego, common.topic.webpage, m.09x43lf
San Diego Zoo, zoos.zoo.exhibits, Discovery Outpost Insect House
San Diego Trolley, common.topic.article, m.0585b6
Old Town, San Diego, location.location.geolocation, m.0489wt5
San Diego, common.topic.webpage, m.09yhr59
San Diego Zoo Safari Park, common.topic.webpage, m.03lg557
Andrew W. Garcia, common.topic.subjects, San Diego
San Diego, government.governmental_jurisdiction.agencies, San Diego Fire-Rescue Department
Bay Park, San Diego, common.topic.notable_types, Location
San Diego, travel.travel_destination.tourist_attractions, Children's Pool Beach
Laci: Inside the Laci Peterson Murder (St. Martin's True Crime Library), book.written_work.subjects, San Diego
San Diego County, location.location.containedby, California
San Diego Zoo, zoos.zoo.exhibits, Discovery Outpost Children's Zoo
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Tiger Exhibit
Aquatica San Diego, common.topic.notable_types, Amusement Park
Old Town San Diego State Historic Park, travel.tourist_attraction.near_travel_destination, San Diego
San Diego, common.topic.webpage, m.09y0q_m
San Diego, base.ndbcd.buoy.region, California
San Diego, common.topic.webpage, m.052m_4f
San Diego CityBeat, common.topic.notable_for, g.1259rkjvg
San Diego Zoo, zoos.zoo.exhibits, Africa Rocks Kopje Exhibit
Allied Gardens, San Diego, common.topic.notable_for, g.1259_1v_f
3043 San Diego, common.topic.article, m.06vg58
San Diego Downtown News, common.topic.notable_for, g.125bwxqp1
University of California, San Diego, education.educational_institution.colors, Gold
San Diego Reader, book.newspaper.headquarters, m.04yz9yn
San Diego Zoo, common.topic.notable_for, g.1257w3w61
University of California, San Diego, education.educational_institution_campus.educational_institution, University of California, San Diego
San Diego, common.topic.webpage, m.0b483s8
San Diego, common.topic.webpage, m.09xrv2d
Point Loma, San Diego, common.topic.article, m.05s5k2
San Diego–Tijuana, common.topic.article, m.02758s3
San Diego, common.topic.webpage, m.09yghyq
Point Loma, San Diego, common.topic.notable_for, g.1256dx7b9
m.09wn1g2, common.webpage.topic, San Diego
RiffTrax, tv.tv_program.filming_locations, San Diego
San Diego, common.topic.image, SD Montage
San Diego Zoo Safari Park, travel.tourist_attraction.near_travel_destination, San Diego
Rancho San Diego, location.location.containedby, California
U-T San Diego, common.topic.article, m.03_f0q
San Diego CityBeat, common.topic.article, m.03h4tth
SeaWorld San Diego, location.location.containedby, California
San Diego Fire-Rescue Department, common.topic.notable_for, g.1yp3cyr_1
U-T San Diego, common.topic.notable_for, g.125f3f1kq
San Diego, travel.travel_destination.tourist_attractions, Old Point Loma Lighthouse
San Diego Zoo, zoos.zoo.exhibits, Elephant Odyssey
Paranormal Activity, film.film.featured_film_locations, San Diego
Mission Beach, common.topic.image, Mission Beach-San Diego-California
San Diego, common.topic.webpage, m.09yhrjz
San Diego, location.location.containedby, United States of America
San Diego Zoo, zoos.zoo.memberships, Association of Zoos and Aquariums
m.09xhylb, common.webpage.topic, San Diego
m.0cvjb5n, common.webpage.topic, 3043 San Diego
San Diego Zoo Safari Park, zoos.zoo.exhibits, Nairobi Fillage
SeaWorld San Diego, amusement_parks.park.rides, Wild Arctic
San Diego Zoo, travel.tourist_attraction.near_travel_destination, California
m.0k3flxg, common.webpage.topic, San Diego Zoo
San Diego Toreros men's basketball, common.topic.image, san diego.gif
San Diego, common.topic.webpage, m.09xsgx0
Old Town San Diego State Historic Park, protected_sites.protected_site.governing_body, California Department of Parks and Recreation
San Diego Zoo, zoos.zoo.exhibits, Discovery Outpost Hummingbird House
San Diego, common.topic.subject_of, Andrew W. Garcia
Hotel La Jolla, a Kimpton Hotel, common.topic.subjects, San Diego
San Diego, common.topic.subject_of, Hotel Solamar San Diego, a Kimpton Hotel
Point Loma, San Diego, common.topic.image, Point Loma air photo
Hotel Palomar San Diego, a Kimpton Hotel, common.topic.subjects, San Diego
San Diego, common.topic.image, The San Diego skyline on March 31, 2007.
San Diego Downtown News, book.newspaper.circulation_areas, San Diego
m.07w2r4z, base.newsevents.news_report.news_reporting_organisation, U-T San Diego
Old Town, San Diego, location.location.containedby, San Diego
m.09ywr0r, common.webpage.topic, San Diego
San Diego County, location.location.events, 2012 Oceanside International Film Festival
Old Town San Diego State Historic Park, location.location.geolocation, m.0clcpp6
San Diego Zoo Safari Park, zoos.zoo.exhibits, Afican Woods
3043 San Diego, astronomy.astronomical_discovery.discoverer, Eleanor F. Helin
U-T San Diego, common.topic.notable_types, Newspaper
San Diego, book.book_subject.works, Laci: Inside the Laci Peterson Murder (St. Martin's True Crime Library)
San Diego County, business.competitive_space.company, m.0cn6mlg
Aquatica San Diego, common.topic.notable_for, g.11b5l_z8gx
Allied Gardens, San Diego, location.location.containedby, California
San Diego Zoo, zoos.zoo.exhibits, Discovery Outpost Reptile House
University of California, San Diego, location.location.containedby, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Hippo Exhibit
San Diego, common.topic.webpage, m.09yk7zf
San Diego Zoo, zoos.zoo.exhibits, Polar Rim Polar Bear Exhibit
San Diego CityBeat, book.newspaper.circulation_areas, San Diego County
SeaWorld San Diego, common.topic.article, m.0c8ck0
San Diego, travel.travel_destination.tourist_attractions, SeaWorld San Diego
SeaWorld San Diego, amusement_parks.park.rides, Abby's Sea Star Spin
San Diego, common.topic.webpage, m.0b47hvj
University of San Diego, location.location.containedby, California
San Diego Reader, common.topic.webpage, m.03lhgdm
Aquatica San Diego, organization.organization.acquired_by, m.010b2xxt
Maritime Museum of San Diego, location.location.containedby, San Diego
3043 San Diego, common.topic.notable_for, g.1255j61xq
m.052m_4f, common.webpage.topic, San Diego
U-T San Diego, common.topic.webpage, m.0hzvw48
My Son, My Son, What Have Ye Done?, film.film.featured_film_locations, San Diego
San Diego Zoo, zoos.zoo.exhibits, Lost Forest Birds of Prey Exhibit
Old Town, San Diego, common.topic.image, Old Town San Diego 012
San Diego Downtown News, common.topic.notable_types, Newspaper
San Diego Zoo, common.topic.webpage, m.0k3flxg
San Diego CityBeat, book.newspaper.circulation_areas, California
San Diego Aviators, common.topic.notable_for, g.11b60z0fr7
San Diego–Tijuana, common.topic.notable_for, g.1258gz0qz
University of California, San Diego, education.educational_institution.colors, Navy Blue
University of California, San Diego, education.educational_institution.newspaper, UCSD Guardian
m.09xzpk4, common.webpage.topic, San Diego
San Diego County, location.location.events, 2013 Oceanside International Film Festival
San Diego Zoo, common.topic.article, m.01v05p
Old Town San Diego State Historic Park, location.location.time_zones, Pacific Time Zone
m.09yghyq, common.webpage.topic, San Diego
San Diego CityBeat, book.newspaper.circulation_areas, San Diego
San Diego Reader, book.newspaper.headquarters, m.0ccctz5
Inside the Mind of Scott Peterson, book.written_work.subjects, San Diego
San Diego, common.topic.webpage, m.09wytx8
SeaWorld San Diego, amusement_parks.park.rides, Riptide Rescue
San Diego, common.topic.webpage, m.09ywr0r
San Diego Zoo, zoos.zoo.exhibits, Discovery Outpost Crocodile and Turtle Exhibit
Old Town San Diego State Historic Park, common.topic.image, Old Town, San Diego
San Diego, location.location.partially_contained_by, m.0wg9gy0
San Diego, location.citytown.postal_codes, 92159
SeaWorld San Diego, common.topic.webpage, m.0gk8rfq
SeaWorld San Diego, common.topic.notable_for, g.125g10xp5
m.02npbr5, book.periodical_format_period.periodical, U-T San Diego
San Diego, common.topic.webpage, m.09yh8cc
m.09yhcvs, common.webpage.topic, San Diego
San Diego Zoo Safari Park, zoos.zoo.exhibits, African Plains
San Diego, film.film_location.featured_in_films, Dixie Chicks: Shut Up and Sing
San Diego County, location.location.events, 2009 Oceanside International Film Festival
m.03kwgtz, common.webpage.topic, U-T San Diego
San Diego Toreros men's basketball, common.topic.notable_for, g.1258wswrs
San Diego, common.topic.webpage, m.09xhylb
San Diego CityBeat, common.topic.notable_types, Newspaper
San Diego, travel.travel_destination.how_to_get_here, m.052mzqq
m.0gk8rfq, common.webpage.topic, SeaWorld San Diego
San Diego Fire-Rescue Department, common.topic.notable_types, Government Agency
Skyline of San Diego, California, common.image.appears_in_topic_gallery, San Diego
m.09xty2d, common.webpage.topic, San Diego
SeaWorld San Diego, amusement_parks.park.rides, Oscar's Rocking Eel
Old Town, San Diego, location.neighborhood.neighborhood_of, San Diego
University of California, San Diego, common.topic.notable_types, College/University
San Diego Zoo, common.topic.webpage, m.03ldg3h
San Diego, travel.travel_destination.tourist_attractions, Rock 'n' Roll San Diego Marathon
m.062v5yl, common.webpage.topic, SeaWorld San Diego
Old Town, San Diego, common.topic.notable_types, Neighborhood
Kearny Mesa, San Diego, location.location.events,  Mooney M20L plane crash

Answer: Rock 'n' Roll San Diego Marathon