Table: carvill_hurricane_index
Columns: name
year
landfall
nhc_advisory_number
v_mph
r_miles
saffir_simpson_category

Question: Which landfall was in category 1 for Saffir-Simpson in 1999?
SQL: SELECT "landfall" FROM carvill_hurricane_index WHERE "saffir_simpson_category" = 1 AND "year" = 1999

Question: What was the lowest V(mph) for a Saffir-Simpson of 4 in 2005?
SQL: SELECT MIN("v_mph") FROM carvill_hurricane_index WHERE "saffir_simpson_category" = 4 AND "year" = 2005

Question: What was the highest SaffirSimpson with an NHC advisory of 18?
SQL: SELECT MAX("saffir_simpson_category") FROM carvill_hurricane_index WHERE "nhc_advisory_number" = '18'