Task: Question Understanding
Input (English): Passage: there were 1,833 single family homes (or 23.1% of the total) out of a total of 7,925 inhabited buildings. There were 3,634 multi-family buildings (45.9%), along with 1,955 multi-purpose buildings that were mostly used for housing (24.7%) and 503 other use buildings (commercial or industrial) that also had some housing (6.3%). Of the single family homes 324 were built before 1919, while 153 were built between 1990 and 2000. The greatest number of single family homes (498) were built between 1919 and 1945. The most multi-family homes (933) were built before 1919 and the next most (906) were built between 1919 and 1945. There were 180 multi-family houses built between 1996 and 2000.
Question: How many percent were not multi family buildings?
Output (English): number