Question: What is the total number of t (µm), when Technology is u c-si?
SQL: SELECT COUNT("t (µm)") FROM "2-16531764-2" WHERE "Technology" = 'u c-si';

Question: What is the V OC (V), when t (µm) is greater than 5, and when I SC (A) is 0.8?
SQL: SELECT "V OC (V)" FROM "2-16531764-2" WHERE "t (µm)" > 5.0 AND "I SC (A)" = '0.8';

Question: What is the sum of t (µm), when Technology is MJ?
SQL: SELECT SUM("t (µm)") FROM "2-16531764-2" WHERE "Technology" = 'MJ';

Question: What is W/m², when η (%) is greater than 16.5, and when Technology is MJ?
SQL: SELECT "W/m²" FROM "2-16531764-2" WHERE "η (%)" > 16.5 AND "Technology" = 'MJ';