Three Mills Residential Moorings is a community of twenty residential narrowboats moored on the Three Mills Wall River Weir near Three Mills in the East End of London. Historically a tidal stretch of water, the residential moorings were converted to non-tidal in preparation for the London 2012 Olympics by the construction of a weir

Can we draw the following conclusion?
Three Mills Residential Moorings is a community of fifty residential narrowboats moored on the Three Mills Wall River Weir near Three Mills in the East End of London. 

Available choices:
(1). Yes;
(2). It's impossible to say;
(3). No;
(3).