Conversation so far:
what kind of fish is in the sea of galilee
Local fishermen talk of three types of fish in the Sea of Galilee: musht, sardine, biny, and catfish.
what is the fish species musht that lives in the sea of galilee
Musht is tilapia. The tilapia species in the Sea of Galilee include the Galilean tilapia, the blue tilapia, and the redbelly tilapia.

Question: how many are caught
Self-contained rewrite: how many tilapia fish are caught in the sea of galilee