The City of San Francisco does a great job of collecting fire department calls for services across their area. As it states on their website, each record includes the call number, incident number, address, unit identifier, call type, and disposition. The official website containing San Francisco fire department call data can be found at the following link:
https://data.sfgov.org/Public-Safety/Fire-Department-Calls-for-Service/nuek-vuh3
There is some general information regarding the dataset with regards to the number of columns and rows, seen in the following screenshot:
This current dataset, updated on 3/26/2018, has roughly 4.61 M rows and 34 columns.