Task 3(a) Number of Planes
Task Description:
How many planes (not types) are stored in relation departure? Name the column "Amount".
| Departure |
| flight_label | flight_date | type | serial_number | captain | |
| MKL1951 | 2003-11-12 | A-340 | 19872630 | Bernhard | | MKL2252 | 2004-03-05 | A-340 | 84469308 | Gustav | | MKL2451 | 2005-04-01 | A-380 | 96461836 | Frank | | MKL2517 | 2005-07-12 | TRIDENT | 84927665 | Gustav | | MKL2725 | 2006-07-22 | A-380 | 96461836 | Frank | | MKL2899 | 2007-12-31 | A-340 | 84469308 | Gustav | | MKL3197 | 2008-05-09 | A-380 | 96461836 | Bernhard | | MKL3213 | 2008-10-03 | A-340 | 19872630 | Bernhard | | MKL3242 | 2008-12-31 | TRIDENT | 33962164 | Gustav | | MKL3349 | 2009-01-01 | TRIDENT | 33962164 | Frank | | MKL3599 | 2010-11-27 | A-380 | 96461836 | Frank |
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Your Result: