Table: sydney_hobart_yacht_race_3
Columns: position
sail_number
yacht
state_country
yacht_type
loa_metres
skipper
corrected_time_d_hh_mm_ss

Question: What type of yacht has a LOA of 15.15 metres?
SQL: SELECT "yacht_type" FROM sydney_hobart_yacht_race_3 WHERE "loa_metres" = 15.15