Table: speedway_records
Columns: record
date
driver
time
speed_avg_speed

Question: What is the record time at the Nascar Camping World Truck Series?
SQL: SELECT "time" FROM speedway_records WHERE "record" = 'nascar camping world truck series'

Question: What date was the nascar nationwide series held?
SQL: SELECT "record" FROM speedway_records WHERE "date" = 'nascar nationwide series'

Question: Who holds the record time of 24.521 and where was it made?
SQL: SELECT "record" FROM speedway_records WHERE "time" = '24.521'