CREATE TABLE "table1_16105186_2" (
  "vehicle" text,
  "epa_rated_all_electric_range" text,
  "epa_rated_combined_fuel_economy" text,
  "alaska_juneau" text,
  "california_san_francisco" text,
  "mid_atlantic_south_washington_d_c" text,
  "u_s_national_average_electric_mix" text,
  "southeast_atlanta" text,
  "midwest_des_moines" text,
  "rocky_mountains_denver" text
);

Question: What was the emission rating in Mid-Atlantic South for the vehicle that was rated 90 g/mi (56 g/km) in Alaska and 110 g/mi (68 g/km) in California?
SQL: SELECT "mid_atlantic_south_washington_d_c" FROM "table1_16105186_2" WHERE "alaska_juneau"='90 g/mi (56 g/km)' AND "california_san_francisco"='110 g/mi (68 g/km)';

Question: What was the emission rating in Mid-Atlantic South for the vehicle that was rated 300 g/mi (186 g/km) in the Midwest?
SQL: SELECT "mid_atlantic_south_washington_d_c" FROM "table1_16105186_2" WHERE "midwest_des_moines"='300 g/mi (186 g/km)';

Question: What was the US national average electric mix rating for the vehicle that was rated 280 g/mi (174 g/km) in the Midwest?
SQL: SELECT "u_s_national_average_electric_mix" FROM "table1_16105186_2" WHERE "midwest_des_moines"='280 g/mi (174 g/km)';

Question: How many Ford Focus electric vehicle emission test scores were recorded in California?
SQL: SELECT COUNT("california_san_francisco") FROM "table1_16105186_2" WHERE "vehicle"='Ford Focus Electric';

Question: What was the emission rating in California for the vehicle that was rated 80 g/mi (50 g/km) in Alaska and 250 g/mi (155 g/km) in the Southeast ?
SQL: SELECT "california_san_francisco" FROM "table1_16105186_2" WHERE "alaska_juneau"='80 g/mi (50 g/km)' AND "southeast_atlanta"='250 g/mi (155 g/km)';